(iZip Zuma) vs (Pedego Cruiser) vs (Prodeco Phantom X)

General Discussion about electric bicycles.

iZip Zuma by Currie Technologies review

Postby tuxman » Fri May 27, 2011 6:21 pm

I can't get sweaty so I don't pedal on the way to work, but can on the way home. Arrived home today with the battery meter showing green! No mistake, it was measuring 39.4v after 5.3 miles. I calculated that I've used about 4ah out of 12ah. Using a 2ah charger, it took 2 hours to recharge to full.

This time I pedaled at take off so I could quickly get up to speed, and then again lightly on a few of the hills. Ha! I don't need a horn, I just mash the front brake and the noise is more than loud enough. Other than my complaint about the front brake, this bike is real transportation.

Even more gear this trip, carrying my laptop along with my charger, rain gear, work clothes, my new pressing of Fleetwood Mac Rumors 2x45rpm LP, and bottle of Jim Beam that I picked up at the store along the way.

Here I am, puffing on a cigar, sipping on some whiskey, listening to Fleetwood Mac as I update you about my Zuma. Cheers!

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Re: (iZip Zuma) vs (Pedego Cruiser) vs (Prodeco Phantom X)

Postby Tpf » Sun May 29, 2011 2:05 pm

Pedego has great reviews on line so we bought 2. We love them! Unlike most other EBIKES, they use standard bike components. The front brakes are Avid BB7 made by SRAM. Not likely they would shutter as on your bike. We had a flat, took it to a differnet bike shop than we bought it. They not only fixed it for free but signed up to be a dealer for Pedego. They were very impressed with the quality of all the components.

They do cost a little more but you get what you pay for.
I will be adding my review soon. Here are links to other reviews:

http://ratepoint.com/profile/65969

http://www.youtube.com/watch?v=tG1wIMdl ... ata_player[youtube]
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Re: (iZip Zuma) vs (Pedego Cruiser) vs (Prodeco Phantom X)

Postby tuxman » Sun May 29, 2011 7:45 pm

Tpf wrote:Pedego has great reviews on line so we bought 2. We love them! Unlike most other EBIKES, they use standard bike components. The front brakes are Avid BB7 made by SRAM. Not likely they would shutter as on your bike. We had a flat, took it to a differnet bike shop than we bought it. They not only fixed it for free but signed up to be a dealer for Pedego. They were very impressed with the quality of all the components.
http://ratepoint.com/profile/65969
http://www.youtube.com/watch?v=tG1wIMdl ... ata_player


Welcome to the forums! Congrats to you on your 1st post!

Happy to report the brakes shutter a bit less after putting some miles on them. Also, I've backed off on the adjustment to the pads so they don't squeal as much while coasting. They still shutter, and still sound like ass, just a bit less. The manufacture said it would take more than 10 miles to wear them in and am hoping that to be true or I will need to replace these soon.

Contrary to what you say; the Pedego has a Dia-Compe Rear Hub Brake which is not a standard bike component. The iZip Zuma uses the Tektro Novela front and rear, which are standard on several brands of entry level MTBs.

I find it very hard to believe anyone one, especially a for-profit bicycle shop who you didn't purchase your bikes from, who was not a Pedego dealer, would change a flat tire on a rear hub motor bicycle for free.

And what's up with the links? Ratepoint is a sham!

"Unlike other review services, these reviews can be posted directly to business's website. Therefore, RatePoint gives both you and the company the opportunity to resolve your negative review before it is posted. This process historically resolves 91% of all negative reviews to the customer's satisfaction, so it's absolutely worthwhile to continue this process."

Also to be noted is the YouTube link provided has comments disabled. I call shenanigans. You sir are suspect. Do you work for Pedego, an affiliate or a marketing agency? I am calling you out!
Last edited by tuxman on Tue May 31, 2011 7:12 pm, edited 4 times in total.
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iZip Zuma

Postby tuxman » Mon May 30, 2011 8:13 pm

Not charging at work today I did 10 miles round trip with no pedaling. The bikes built in gauge showing half when I got home. I measured 37.5v resting.

Solid performance all the way home. I bought a new camera and it takes just lovely photos. Here is a close up on the Bafang BPM geared hub motor. 26 is the wheel size, and 11 is the winding. This motor is rated by the manufacture up to 48v.

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Last edited by tuxman on Wed Jun 01, 2011 9:19 am, edited 2 times in total.
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Re: (iZip Zuma) vs (Pedego Cruiser) vs (Prodeco Phantom X)

Postby LAebike » Tue May 31, 2011 2:03 pm

FYI -- If the brakes continue to be problematic, Currie will replace them free of charge within the warranty period, with Avid BB5's.
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Re: (iZip Zuma) vs (Pedego Cruiser) vs (Prodeco Phantom X)

Postby tuxman » Tue May 31, 2011 5:43 pm

I've contacted Diana over at Watts N' Wheels for assistance. I will be a very happy customer if they replace them! Don't get me wrong, they "stop" me but sound like shit and I really don't like how they still shutter after 60 miles of use, cleaning the rotors, and all of the adjustments. Disk brakes should be quiet and smooth!
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$26.99 Craftsmen flex light 160 lumens

Postby tuxman » Wed Jun 08, 2011 4:52 pm

Couldn't wait for a magicshine to arrive and I needed to be able to get home from work. Didn't want a dinky walmart bike light, so a quick stop at Sears nets me a real fine deal on a very bright light.

LUXEON Rebel Emitter
$26.99 http://www.sears.com/shc/s/p_10153_12605_03493677000P

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Re: (iZip Zuma) vs (Pedego Cruiser) vs (Prodeco Phantom X)

Postby mobybike » Mon Jun 13, 2011 2:11 pm

Thanks for your review, I was pondering the same question. I followed your lead and went with a Zuma. I had the opportunity to ride a Pedego, and really liked it a lot, but it always bugged me that in many of the photos and the actual bikes... the seats are installed backwards on the seat post, and the Zuma was a better price, so we ordered it.
Anyway,
After receiving the Zuma this week, I would confirm that the Zuma is a faster bike with more torque for the hills than the Pedego. No question! I'm very happy with the power of the Zuma, and very happy that it actually turned out this way. Saved money and got a more powerful bike.

Breaks do squeal, but this is typical of many new disc brakes. They require a burn in. Be careful but... Get the bike up to good speed and pull the brakes hard till you stop. I mean hard. Not enough to skid the rear tire, and not enough to go over the bars in the front. Do this about 15-20 times. (edit- 20 for the front alone, then 20 for the back alone but not both at the same time) What happens is the brake shoe material deposits on the disc, and then they "break in".

Mine had the leather grips installed backwards. If you reverse them so the bumpy knob is out instead of in, they feel even better!
The spoke cross pattern in the rear wheel especially, are poorly matched with the rim, and the 13 gauge spokes enter the nipples at a severe angle. This can be remedied by gently bending the spoke 1/8" below the nipple, toward the angle it should be at, using a spoke wrench to cold set the spoke into the correct angle. This will cause the tension in the wheel to need to be balanced and tightened, but it's really necessary to ensure long life of the wheel. The wheel was also not dished correctly or the frame is off center which brings up another point.

Frame welding, is nasty on the ladies frame we got. What has happened is that it looks like the welds are off center. So the tube was welded off center to the right near the crank (downtube) and off center to the left at the head tube. The rack is similarly off center with a strong bias to the left of the bike. I noticed this while trying with all my might to catch my daughter who was easily pedaling away from me going up hill (4-5% grade). (my bike has a direct drive e-bike kit 36v rear hub motor 700c wheel I am 220lbs she is 140lbs)

After comparing this Zuma to my e-bke kit, and the Pedego, I'm going to be seriously considering another Zuma or possibly a geared hub AmpedBikes motor. At my weight it is a striking difference! I got to try both the 36V Pedego, and the 48V Pedego. The Zuma feels better to me, and the geared motor on the Zuma doesn't have any motor resistance rolling forward when the battery is in the off mode. It rides great!

Problem,
The weight of the battery over the rear wheel, causes the bike to shimmy when you (well it does for me) let go of the handlebars and ride no hands. This isn't just a Zuma problem, as this also occurs on the iZip Via Rapido I tried out. (I didn't test this on the Pedego). This also caused my wife to pull a muscle in her arm during a panic stop. Both my wife and daughter nearly had accidents using the PAS (pedal assist mode) feature. Mostly because they were not used to the bike, but both were caught off guard in traffic situations that the bike lurched forward when they didn't want it to.
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Re: (iZip Zuma) vs (Pedego Cruiser) vs (Prodeco Phantom X)

Postby tuxman » Mon Jun 13, 2011 8:43 pm

Welcome to the forum! And thank you for commenting about your new izip Zuma. 8)

Also glad to hear you confirm what I suspected all along about the difference in motors between these bikes. Actually surprised to hear you say you like the power of the 36v Zuma better than the 48v Pedego! I thought for sure the 48v direct drive would at least equal the power of a 36v geared drive.

Other than the noisy brakes, if you are in the market for a street legal 20mph ebike that can climb hills, the Zuma is a great value. If I had to do it all over again, and price wasn't an issue, I would get myself a bike from Hi-Power Cycles. http://www.hi-powercycles.com/product.sc?productId=36 But, I just can't justify the extra cost when all my needs are met with my Zuma.

No complaints here with the welds on my Zuma and both wheels look true to the eye when spinning them upside down. Sounds like you may need to have your wheels trued. Something to note is when my bike arrived via FedEx, it was DOUBLE boxed, HEAVILY padded and the box had no indication that it had been mishandled. This was not the case with my first ebike back in 2007, shipped via UPS, single box, with parts hanging out upon arrival. :shock:

About the PAS, it scared me a few times when the motor kicked in while making sharp turns, or while on loose gravel. That motor will surprise you. But this is why the bike has brake inhibits! It might scare you once or twice but you get used to it. Do what I do, use PAS for uphill or downhill going straight, and TAG for everything else.

I am very glad I went with the Zuma for another reason; it is easy to verify as street legal. Today I counted 5 police cars out collecting money to pay for their new over-sized police station from unsuspecting drivers in the five miles I commute. As I traveled the 14 traffic lights on my way home, I had the pleasure of their shiny new police cars accompany me through 8 of the traffic lights. For my safety of course. I laughed as I kid to my self... sir license and registration please. Do you know why I pulled you over? Since I obeyed the traffic laws, and the bike is legal, I have no worries and so far, no hassles.
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Re: (iZip Zuma) vs (Pedego Cruiser) vs (Prodeco Phantom X)

Postby Jason27 » Tue Jun 14, 2011 2:47 am

In my opinion all of these ebikes are rip offs. Look at the specs. You could build one with better specs for less price. You guys should really build your own ebike that way if something breaks you know how to fix it. Would you buy a car with no place to take it for repairs?

ask anyone here that have been ebiking for years they will tell you all ebikes break down at some point. I hope those ebikes come with a warranty or return policy.
My ebike:
Diamondback with 800 watt hub motor with AllCell 48V 12AH Lithium Manganese battery pack.
36v hobby king lipo as backup.

"Conquering the hills of SF"
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Re: (iZip Zuma) vs (Pedego Cruiser) vs (Prodeco Phantom X)

Postby mr.electric » Tue Jun 14, 2011 3:20 am

I went the Highpoweredcycles route. It is a very similar hub motor to your Izip zuma. I think you got a great value and I enjoyed reading the review. I would guess your motor is putting out more than 500 watts from what you describe. It is 36v at 20 amps right? that would be 720 watts. You may consider going to 48v as it will make the bike 30% faster which is what it takes to ride with traffic not on the edge. Also a bigger front sprocket can help you add more top end speed to keep your lane. I run at 48v limited to 21 amps so about 1000 watts - I believe 750 is the legal limit.
I don't think too many cops will be hitting you with the speed gun and anyways it is hard to know it is an electric anyways.
Of course your bike is completely within the letter of the law and reliable. It may be more of a project than you want to undertake to upgrade.
I also have an ebikekit direct drive ebike that I enjoy too also running about 1000 watts. It accelerates more slowly and has less torque but it is very smooth and enjoyable to ride.
I am building a 3rd bike now a bmc geared motor on a rusty old 20" folding bike. My beater bike.
good 48 volt lithium packs and controllers are sold here:
http://www.ebikessf.com/
-Fat Sand Bike with 9c and 29ah pack

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Re: (iZip Zuma) vs (Pedego Cruiser) vs (Prodeco Phantom X)

Postby tuxman » Tue Jun 14, 2011 9:43 am

Jason27 wrote:In my opinion all of these ebikes are rip offs. "I converted using a golden motor kit and ping battery I spent a total of 1375 on it." Look at the specs. You could build one with better specs for less price. You guys should really build your own ebike that way if something breaks you know how to fix it. Would you buy a car with no place to take it for repairs?

ask anyone here that have been ebiking for years they will tell you all ebikes break down at some point. I hope those ebikes come with a warranty or return policy.


Actually, I paid LESS money $1,325 complete. Don't get too wrapped up in the manufacture suggested motor specs, DD vs GD are not apples vs apples. Factor in a brand new complete bicycle, a 1 year warranty and a nation wide dealer network = better bang for the buck. The currietech.com website list 12 dealers that I can go to for warranty repairs or parts in Georgia alone. Golden Motor list ZERO. Hardly a rip off.

Jason27 wrote:http://endless-sphere.com/forums/viewtopic.php?t=27079#p391124
I have an odd sound coming from my hub motor. I have a golden motor kit and when I spin the front hub motor it sounds like there are rocks moving around inside. It's not the spokes. I checked them and they seem tight. The sound just started happening. Is it to keep riding? What could it be? I only rode it twice and it started making this noise.


Golden Motor: You can fix it your self, or mail it back to china. I can take mine to my local dealership.

BTW, if I get a flat, I know how to fix it. This is not my first ebike. :wink:
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Re: (iZip Zuma) vs (Pedego Cruiser) vs (Prodeco Phantom X)

Postby mobybike » Tue Jun 14, 2011 11:50 am

Jason27 wrote:In my opinion all of these ebikes are rip offs. Look at the specs. You could build one with better specs for less price. You guys should really build your own ebike that way if something breaks you know how to fix it. Would you buy a car with no place to take it for repairs?

ask anyone here that have been ebiking for years they will tell you all ebikes break down at some point. I hope those ebikes come with a warranty or return policy.


I had a hard time finding an ebike that wasn't broken from the start... ;) With Curry/iZip they at least can send parts. I've gone the diy route on everything bicycle related at one point or another, I do have an e-bike kit too. I started with BionX 24V 250w motor, which was a little underwhelming.

Which bike is likely to be more re sell-able? Name brand that everyone has an idea what it is, or my own concoction in all its raw beauty with who knows what bolted and strapped who knows where? I personally like cleaner lines and things that look like they belong, and I'm not a super genius artistically gifted product designer that can pull that off myself, like some of you folks here.

That bring me to my next observance.
I have noticed that some e-bike companies and kit producers, don't know what they are even selling enough to retranslated the ad copy from Chinese to English. And that is bothersome. It bugs me when a company like Pedego can't even put a seat on right. Other companies like Prodeco who tout their Free Body Hub (its always been and will always be a freehub). Kit MFG's like E-Bike Kit who wants to sell you a 28" wheel kit (you won't find a production 28" bicycle rim in America, it's 700c). Others with extremely exorbitant prices. Or my favorite... "it only cost 2 cents to charge the battery".

The fact remains that while this infant industry is entering the growth phase, you are seeing the Law catching on and prosecutions will soon follow. We live in a cycling "friendly" town that the police are starting to ticketi those who ride on sidewalks, ride against traffic, don't stop at signs and lights, and are cracking down on e-bikes. "If it has a motor, it's a motor vehicle".
http://www.registerguard.com/web/newslocalnews/26354571-41/mcclain-bicycle-license-electric-court.html.csp

Maybe I have a guilty conscience but I wanted to keep it legal, and I wanted support form a company that had been around and proven themselves to be in this for the long haul, not Mr. Quick Cash... still working out the bugs. who may or may not be here tomorrow. I didn't want another unsupported electronic device. I wanted an "Apple iBike" but they don't make one.

The weird thing is, that even a 24V 250W geared motor iZip Via Rapido felt better to me than my E-Bike Kit 36V 500W Direct Drive. I wasn't even considering another 24V anything after my BionX but either my E-Bike Kit has something wrong, or these latest geared motors are just that much better. The 48V Pedego I rode, was an older and used DirectDrive model, so it is also possible that it was just tired, and that is why it's performance was less than I expected for 48V. Don't get me wrong the Pedego is a nice and fun bike too, but the "balloon tire package" is the deal setter for me, and that boosts the price and additional $180. I actually found a coupon for my Zuma and it lowered the price by about the same amount, making the total difference $500 less.
Last edited by mobybike on Thu Jun 16, 2011 4:42 pm, edited 1 time in total.
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Re: (iZip Zuma) vs (Pedego Cruiser) vs (Prodeco Phantom X)

Postby tuxman » Tue Jun 14, 2011 12:02 pm

My first ebike was a 24v pedelelectric brushed chain drive 7-speed on 14ah SLA. That SOB will pull 100lbs of groceries in my trailer uphill in first gear and cruise at 20+mph in 7th gear level ground. Now on my 2nd geared ebike, I may be bias towards direct drive hubs. You can call me a gear head from now on.
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Re: (iZip Zuma) vs (Pedego Cruiser) vs (Prodeco Phantom X)

Postby mobybike » Tue Jun 14, 2011 1:26 pm

mr.electric wrote:I went the Highpoweredcycles route. ...
I also have an ebikekit direct drive ebike that I enjoy too also running about 1000 watts. It accelerates more slowly and has less torque but it is very smooth and enjoyable to ride.
I am building a 3rd bike now a bmc geared motor on a rusty old 20" folding bike. My beater bike.
good 48 volt lithium packs and controllers are sold here:
http://www.ebikessf.com/

Thanks for the link and advice! When I was building computers, I had to have at least one reliable one, so I could search the Internet for parts or downloads, or bios settings and so on. The Zuma seems to be that for a reliable e-bike, and now I think I will play with the other one more to see what happens. I really like the E-BikeKit company and all the parts and options they offer, and maybe all I really need is another $600-$800 48V battery... It's just the way their site reads concerning the geared motors they sell and the fact that they no longer carry Lithium batteries, that really consern me because I don't know if they are really interested in keeping up with what is going on in the rest of the industry, and it makes me wonder how long they will be around. (I am banking on the need for future replacements)

I like the idea of 24V at 20 MPH level ground -and uphill- packing me and a 100 pound trailer... that would be enough for me I think :)
It's not my green streak that wants to be able to charge via Solar panels, but it would be a good backup for emergency or sustained transportation -off grid- when the power goes out or if while boon docking in Arizona. 24V solar panels and charge controllers are plentiful, reasonable priced, and easier to find in a wide variety of options for direct 24V charging. You can even rig up a $50 (on sale) solar 24V trickle charge option from harbor freight. http://www.harborfreight.com/18-volt-to-24-volt-solar-charger-95000.html Parallel a few of those and you have enough to replace a wall plug in charger, using a charge controller like this... http://www.altestore.com/store/Charge-C ... ler/p7878/ Charge controllers for 36V or 48V are not easy to find or cheap.

I don't know what made me think of that, sorry for going off topic.
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Re: (iZip Zuma) vs (Pedego Cruiser) vs (eZip Trailz lifepo4)

Postby RVD » Thu Jun 16, 2011 8:11 pm

tuxman wrote:


Congrats on your bike. I'm glad you enjoy it. Building your own is fun but it looks like you got a decent deal with yours and you're happy so that's most important.

This video is pretty cool. It's actually taken on the same path that I took to work for 2 years...except I rode a regular bike. It's beautiful down here.

My new route turns just before going to the Marina Del Rey section which is where much of this video takes place. I no longer work in Santa Monica which is where all of the parking structures and people group shots were taken.

Anyway, have fun out there...
TidalForce S-750, 9C 2807, 14s lipo. Build Thread: viewtopic.php?f=6&t=27525
Dahon Speed D7, e-bikekit 350 watt geared motor, 12s lipo. Build Thread: viewtopic.php?f=6&t=34958
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Re: (iZip Zuma) vs (Pedego Cruiser) vs (Prodeco Phantom X)

Postby tuxman » Sun Jul 10, 2011 10:35 pm

If anyone is interested in a ready made ebike, the 2nd batch of the Prodeco Phantom X has a ship date of July 31st 2011 over at Bikemania.biz

Assembled in the USA, 2 year warranty, 500w DD rear hub, 12ah LiFePo4 36v for $1,099 shipped; it was on the top of my list. But not available back in May so I picked up the Zuma instead.
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Re: (iZip Zuma) vs (Pedego Cruiser) vs (Prodeco Phantom X)

Postby tuxman » Fri Jul 15, 2011 9:58 am

mobybike wrote:
Mine had the leather grips installed backwards. If you reverse them so the bumpy knob is out instead of in, they feel even better!


Did this mod a few weeks ago too. Flipped the hand grips so they are now reversed. This must be how the engineer designed it in the first place, much more comfortable.

Thanks for the tip!
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Re: (iZip Zuma) vs (Pedego Cruiser) vs (Prodeco Phantom X)

Postby rmeier » Sun Jul 31, 2011 9:17 am

I recently purchased an I-ZIP Zuma from eco-wheelz. This purchase was based mostly on "tuxmans" recommendations. Thank you for the
detailed information and excellent pictures. The bike is a real hoot to ride. I live in a valley area where everyplace over a mile away is up a
serious hill. I'm 62, 6'3" & 260lbs. Mostly retired now, I wanted a comfy bike for exersize and errand running.
On my old Shwinn Sidewinder my legs got so sore I wobbled walking from the garage back to the house. Now going up those hills is done in 4th / 5th
gear with the same effort as the granny gear range of the Schwinn. The breeze at these higher speeds make summer pedaling so much more pleasent too.
(Note... adding 8-10 teeth on the front sprocket would be better). About the only time I use the throttle mode is at startup when crossing large controlled
intersections. Once moving it's back to PAS mode. Even after about 12-15 miles the battery is still indicating half on the LED. The brakes, while strong,
are not smooth in their stopping effort, giving a pulsing braking force as if the discs had rough spots. I thought I broke them in gradually over the first
20 miles or so. Any thoughts on this. I'll give it another 50 miles of normal use before I start complaining to Currie.
Overall I'm happy with the machine, to which I added the quite usefull I-ZIP rear saddle bags. ( holds about a full bag of groceries )
Again thanks to all those who contributed to this discussion.
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Re: (iZip Zuma) vs (Pedego Cruiser) vs (Prodeco Phantom X)

Postby tuxman » Tue Aug 02, 2011 11:59 pm

Glad you like it. So far I've put over 500 miles on mine and the brakes have settled down. The brakes are still noisy, but will stop on a dime even when wet. Chain has popped off a few times. Other than that it's a great bike and is real transportation.

A side note is the battery rack and motor blends in with the bike. I like having the battery and motor some what concealed. Have yet to be stopped by government agents!
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Re: (iZip Zuma) vs (Pedego Cruiser) vs (Prodeco Phantom X)

Postby tuxman » Sun Aug 07, 2011 10:10 am

Brakes update. Almost perfect.

All comes down to proper installation. Well, lets say re-installation. With a slight mod. They now float.

1) Release the brake cable from the caliper and un-screw caliper from the frame, remove it from the rotor.
2) Set the hand lever cable slack adjuster screw to the middle of its range. Do the same for the one on the caliper.
3) Expose as much of the brake pad as possible by adjusting the brake pad adjuster screw on the back side of the caliper. Making sure the pad has just enough seat inside the caliper; you don't want to hit the brakes and the disk pad not have any contact with the caliper lip.
4) Install back onto rotor, but don't tighten the bolts all the way. Allow the caliper to be loose enough to float left to right but tight enough not to float up and down.
5) Set the brake cable on the caliper while the pads are fully engaged on the rotor. After which you use the hand lever cable slack adjuster to fine tune for the best pull.

Did you need a disclaimer? Seriously, most of the projects on ES are "at your own risk". Didn't think I had to go there but...

This modification is at your own risk. Don't try this at home unless you understand what you are doing. It is deemed NOT SAFE. Injury or death to you or others may occur. Better yet, do not attempt this modification. I will take no responsibility for your actions and do not suggest you under any circumstance try this.
Last edited by tuxman on Mon Aug 15, 2011 4:52 am, edited 1 time in total.
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Re: (iZip Zuma) vs (Pedego Cruiser) vs (Prodeco Phantom X)

Postby mobybike » Sun Aug 14, 2011 2:06 pm

Well after a few more miles, I got a bit bothered by the annoying shake this bike has. I'm not sure I could recommend this to anyone at this point, but maybe the men's frame is more stable. This picture is actually a click away from the video I took of the uncontrollable shake that occurs when you take your hands off the bars. I tried everything I could think of to stop this from happening, and while the smaller tires on this in the video didn't actually stop the shake, they did make re-gaining control easier because they are lighter.
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Re: (iZip Zuma) vs (Pedego Cruiser) vs (Prodeco Phantom X)

Postby Racer_X » Sun Aug 14, 2011 3:14 pm

sometimes a bike shakes when the spokes are loose have you checked the spokes lately?
Did it shake from the moment you bought the bike?
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Re: (iZip Zuma) vs (Pedego Cruiser) vs (Prodeco Phantom X)

Postby mobybike » Sun Aug 14, 2011 6:11 pm

Racer_X wrote:sometimes a bike shakes when the spokes are loose have you checked the spokes lately?
Did it shake from the moment you bought the bike?


Thanks Racer_X,
I did check the spokes, and tensioned and trued these wheels. Loose spokes are also suspect of consideration with squealing brakes which this bike also had. I ended up buying Avid Mechanical brakes for it because they can align better than the stock Tektro Novella.

Yes the bike has done this from day 1. I've tried different tires at different pressure, different forks, shifting rider weight for and aft, up and down with different seats and positions and bars, and even tried an Xtracycle. The Xtracycle experiment was my greatest hope because the battery weight would then be placed between the 2 axles of the bike. It did help a small degree and the shake only started at speeds above 12mph instead of 7 or 8mph. Currie told me the warranty would be void with a cobbled bike like that, and the bike was a total noodle with the Xtracycle bolted on there anyway.

I think the frame material is extremely soft and can't handle the weight of the battery. With the battery removed, the bike doesn't shake.
The customer should not have to be the post engineer to correct major design flaws such as this.
Last edited by mobybike on Sun Aug 14, 2011 10:20 pm, edited 1 time in total.
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Re: (iZip Zuma) vs (Pedego Cruiser) vs (Prodeco Phantom X)

Postby Hillhater » Sun Aug 14, 2011 6:15 pm

tuxman wrote:4) Install back onto rotor, but don't tighten the bolts all the way. Allow the caliper to be loose enough to float left to right but tight enough not to float up and down..

:shock: :o
..are you saying leave the caliper fixing screws loose ! ??
What is preventing them backing off and falling out..leaving you brake-less !!
By leaving those bolts loose, you weaken the caliper mounting by 75% !
does not sound like good advice or a sensible way to prevent brake noise.
If you really need a "floating" caliper, at least use shoulder bolts that can be tightened properly.
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