New Bafang Crank Drive 350 and 750w

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New Bafang Crank Drive 350 and 750w

Postby lcrewse » Fri May 17, 2013 2:50 am

Brand New Bafang Crank Drives, Have these in quantity and ready to ship worldwide, located in the USA. Have 36v 350w and 48v 750w available.

All Kits come with everything you need to get up and running except for the battery and include:

- Motor/Integrated Controller Assembly
- Crank Arms
- LCD Display and Control Panel
- 2 Brake Levers
- Half Twist or Thumb throttle
- All associated mounting hardware and cabling, all connections are waterproof, plug and play
- 1 year warranty (as long as unit has not been opened, used with incorrect battery voltage or modified in any way)

BB Kit.JPG
BB Kit.JPG (120.43 KiB) Viewed 8287 times


36v system specs:

350 watt rated motor
36v 18a Integrated Controller
46t Chainring
Throttle operates at 100% power with PAS on or off
User adjustable speed limiter for throttle (up to 25mph/40kph)
Large LCD Display with backlight, adjustable wheel size settings and MPH/KPH display
PRICE - $625

36v BB.JPG
36v BB.JPG (137.08 KiB) Viewed 8287 times


48v system specs:

750 watt rated motor
48v 25a Integrated Controller
48t Chainring
Throttle operates at 100% power with PAS on or off
User adjustable speed limiter for throttle (up to 31mph/50kph)
Large LCD Display with backlight, adjustable wheel size settings and MPH/KPH display
Price - $750

750w.jpeg
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Also have limited supply of 36v and 48v Batteries available:

36v 11ah battery, Black (Samsung Cells) - $525

36v 14.5ah battery, Black (Panasonic Cells) - $700

48v 9ah battery, Black (Samsung Cells) - $550

48v 11.6ah, Black (Panasonic Cells) - $750

Battery.png
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Below is a bike I built for Interbike using the 750w drive system along with the 11.6ah battery and Nuvinci rear hub.

Black Fat Bike Med.jpg
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Attachments
Grey 9ah.jpeg
Grey 9ah.jpeg (85.51 KiB) Viewed 5332 times
Last edited by lcrewse on Sat Feb 15, 2014 11:08 pm, edited 14 times in total. View post history.
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Re: New 350w Bafang Crank Drive

Postby -dg » Fri May 17, 2013 5:07 am

Very interesting. But to actually build this into a bike one would need to know the chainline. Could you please add that information. Thanks.
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Re: New 350w Bafang Crank Drive

Postby mwkeefer » Fri May 17, 2013 6:33 am

+1 The 48v Max Throttle 15A version, sending PM

-Mike
Regards,
Mike

{My Rides]
2010 Dahon Jack - GNG v1 - LYEN 6FET - 20/40A - 18S2P10AH - Nom:66.6v,1332w
2004 Hard Rock Pro Disc - Recumpence ms eDrive v4 - Astro 3220 4T - 12S2P16AH - HV110 - Left Side Drive - Gearing: 38mph
Nominal Peak Power @ 60 seconds: 5328 watts - Maximum Power: 49.8v, 120A, 5872w
2010 Downtube 8FH - Stock GNG v1 Stock Controller - EB809XC - 12-16S
2012 Downtube Nova 7spd - Stock GNG v2 - 12S2P10AH - EB809 - 12S-16S - 20A/30A,Nom VCC: 44.4, 888w
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Re: New Bafang Crank Drive

Postby usa_electrophile » Fri May 17, 2013 7:29 pm

Interesting

I wonder if anyone has tried this kit and also the GNG mid drive
And can compare.

I am looking to nonhub motorize my specialized demo pro 8
I know its expensive but half tempted to get the Ego mid drive and
Lust no longer
- 2011 Zero S Electric Moto - purchase from Hollywood Electrics
- $450 build 27 MPH ebike (1000+ miles), $300 hub motor kit on ebay, $100 SLA, $30 used dual suspension NEXT low end bike, +$20 Bell cruiser susp seat
- 2005 Specialized Demo Pro 8,titanium springs,Chris King Hub,..with GNG mid drive
- Ego Cycle 2 Classic scooter
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Re: New Bafang Crank Drive

Postby usa_electrophile » Fri May 17, 2013 8:29 pm

- 2011 Zero S Electric Moto - purchase from Hollywood Electrics
- $450 build 27 MPH ebike (1000+ miles), $300 hub motor kit on ebay, $100 SLA, $30 used dual suspension NEXT low end bike, +$20 Bell cruiser susp seat
- 2005 Specialized Demo Pro 8,titanium springs,Chris King Hub,..with GNG mid drive
- Ego Cycle 2 Classic scooter
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Re: New Bafang Crank Drive

Postby mwkeefer » Sat May 18, 2013 2:40 am

usa_electrophile wrote:Interesting

I wonder if anyone has tried this kit and also the GNG mid drive
And can compare.

I am looking to nonhub motorize my specialized demo pro 8
I know its expensive but half tempted to get the Ego mid drive and
Lust no longer


I will be comparing them side by side shortly, 350 isn't alot of power but then again 720w continuous is supposed to be what the US motor is intended to be... but even these do 15A continuous so it's just a matter of upping to 48v 15A if the motor can handle the thermals (the bafang)...

Now they do have a bafang 750 motor but it may be a while till you see it in retail locations, getting samples is even difficult and time consuming... the 750 continuous should be just the right balance of weight to power and maintain (with a little help) legality - even a mode they seem to have forgotten from the factory (they didn't forget, it's compliant to EU laws... under US laws you can go above 20 mph if your pedaling and not exceeding 1hp OUTPUT not INPUT power).

I should have the most wide open version that was available by mid week next week, paypal request is in my box and I'm waiting for 3 fools who owe me some $$ to push the cash in, or else I'll just payout from my checking account but on testing things (that's what this is, its me being impatient and inquisitive... I should have my own samples from China ... in just under 2-4 weeks even using EMS) and hobby side of eBikes I like to sell the old stuff and get paid before paying for new stuff with that cash :)

I think the gen2 would beat the bafang honestly, if you get one without a bent bottom bracket shaft so that your chain ring reminds you of an eliptical machine... the bottom bracket they used just leaves alot to be desired - like more teeth, etc.. my Gen1 were great, gen #2... they didn't just send me one with a bent axle but they forgot the damn screw and spring for the chain tensioner.... Argh!

Well I can't wait to get this 350 in an ultra light build (downtube nova baby), already setup for 7 speeds (better for thicker chain) just need to add trigger shifters instead of twist and whalla - that will be the first victim of my new Bafang Crank Drive... want to hack the controller too... adjust the max voltage and LVC and run off 48v 10A constant 15A for 30 seconds pulses... should be plenty !
Regards,
Mike

{My Rides]
2010 Dahon Jack - GNG v1 - LYEN 6FET - 20/40A - 18S2P10AH - Nom:66.6v,1332w
2004 Hard Rock Pro Disc - Recumpence ms eDrive v4 - Astro 3220 4T - 12S2P16AH - HV110 - Left Side Drive - Gearing: 38mph
Nominal Peak Power @ 60 seconds: 5328 watts - Maximum Power: 49.8v, 120A, 5872w
2010 Downtube 8FH - Stock GNG v1 Stock Controller - EB809XC - 12-16S
2012 Downtube Nova 7spd - Stock GNG v2 - 12S2P10AH - EB809 - 12S-16S - 20A/30A,Nom VCC: 44.4, 888w
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Re: New Bafang Crank Drive

Postby lcrewse » Mon May 20, 2013 8:29 pm

4 kits left
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Re: New Bafang Crank Drive

Postby usa_electrophile » Tue May 21, 2013 9:09 pm

Wow I would really like to try the 750 US version of the motor
- 2011 Zero S Electric Moto - purchase from Hollywood Electrics
- $450 build 27 MPH ebike (1000+ miles), $300 hub motor kit on ebay, $100 SLA, $30 used dual suspension NEXT low end bike, +$20 Bell cruiser susp seat
- 2005 Specialized Demo Pro 8,titanium springs,Chris King Hub,..with GNG mid drive
- Ego Cycle 2 Classic scooter
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Re: New Bafang Crank Drive

Postby usa_electrophile » Tue May 21, 2013 11:30 pm

Pm sent
- 2011 Zero S Electric Moto - purchase from Hollywood Electrics
- $450 build 27 MPH ebike (1000+ miles), $300 hub motor kit on ebay, $100 SLA, $30 used dual suspension NEXT low end bike, +$20 Bell cruiser susp seat
- 2005 Specialized Demo Pro 8,titanium springs,Chris King Hub,..with GNG mid drive
- Ego Cycle 2 Classic scooter
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Re: New Bafang Crank Drive

Postby lcrewse » Wed May 22, 2013 8:06 pm

3 kits left
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Re: New Bafang Crank Drive

Postby lcrewse » Thu May 30, 2013 11:38 am

Have one 36v kit remaining
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Re: New Bafang Crank Drive

Postby usa_electrophile » Thu May 30, 2013 7:37 pm

Any 750 version motors on the way?
- 2011 Zero S Electric Moto - purchase from Hollywood Electrics
- $450 build 27 MPH ebike (1000+ miles), $300 hub motor kit on ebay, $100 SLA, $30 used dual suspension NEXT low end bike, +$20 Bell cruiser susp seat
- 2005 Specialized Demo Pro 8,titanium springs,Chris King Hub,..with GNG mid drive
- Ego Cycle 2 Classic scooter
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Re: New Bafang Crank Drive

Postby o00scorpion00o » Sat Jun 15, 2013 6:19 am

Where did lcrewse go ? tried sending a PM and it said user doesn't exist ?
Last edited by o00scorpion00o on Sat Jun 15, 2013 6:20 am, edited 1 time in total. View post history.
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Re: New Bafang 48v Crank Drive

Postby LVSeBikes » Thu Jun 20, 2013 8:57 pm

I just finished my 350w 48v 15a Bafang mid drive install on my Trek Mamba.
All I can say is I will probably never buy a hub motor again.

This motor is easy to install (you will need tools to remove your crank).
You don't have worry about rim sizes, torque arms, drop outs, broken spokes etc.
My Mamba has a 9 speed cassette starting at 11T as well as 29er rims.
The Bafang motor comes with a 48T chain ring.
29er+48T+11T = 30 to 35 mph with a motor that weighs 7.5 lbs.

It hardly looks like an electric bike.
I can't wait to try it in low gear on hills.

I am really impressed!!!!!!!!!!!

I am using a 48v SLA setup for now until I can put together a lithium battery pack.

Photos attached.
Image
Image
Image
Image
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Re: New Bafang Crank Drive

Postby spinningmagnets » Thu Jun 20, 2013 9:00 pm

I'm starting to notice a trend...
Image
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Re: New Bafang 48v Crank Drive

Postby o00scorpion00o » Fri Jun 21, 2013 2:28 am

LVSeBikes wrote:I just finished my 350w 48v 15a Bafang mid drive install on my Trek Mamba.
All I can say is I will probably never buy a hub motor again.

This motor is easy to install (you will need tools to remove your crank).
You don't have worry about rim sizes, torque arms, drop outs, broken spokes etc.
My Mamba has a 9 speed cassette starting at 11T as well as 29er rims.
The Bafang motor comes with a 48T chain ring.
29er+48T+11T = 30 to 35 mph with a motor that weighs 7.5 lbs.

It hardly looks like an electric bike.
I can't wait to try it in low gear on hills.

I am really impressed!!!!!!!!!!!

I am using a 48v SLA setup for now until I can put together a lithium battery pack.



It certainly looks good.

How about a few videos ?

I wonder how fast this will go with 26 inch wheels ?

Where can you buy it anyway ?

There was a suggestion that it isn't as powerful as the Bosch ?
Last edited by o00scorpion00o on Fri Jun 21, 2013 2:29 am, edited 1 time in total. View post history.
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Re: New Bafang Crank Drive

Postby lcrewse » Mon Jun 24, 2013 2:32 pm

I'll see if I can get some vid's up. I stil have a 36v and a couple different 48v kits available, pm me for more info.
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Re: New Bafang Crank Drive

Postby mwkeefer » Wed Jul 03, 2013 9:52 pm

lc,

what is the maximum voltage you have tried these kits on?

any luck finding that tool for the left side of the tapered shaft - to remove the retaining nut inside?

-Mike
Regards,
Mike

{My Rides]
2010 Dahon Jack - GNG v1 - LYEN 6FET - 20/40A - 18S2P10AH - Nom:66.6v,1332w
2004 Hard Rock Pro Disc - Recumpence ms eDrive v4 - Astro 3220 4T - 12S2P16AH - HV110 - Left Side Drive - Gearing: 38mph
Nominal Peak Power @ 60 seconds: 5328 watts - Maximum Power: 49.8v, 120A, 5872w
2010 Downtube 8FH - Stock GNG v1 Stock Controller - EB809XC - 12-16S
2012 Downtube Nova 7spd - Stock GNG v2 - 12S2P10AH - EB809 - 12S-16S - 20A/30A,Nom VCC: 44.4, 888w
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Re: New Bafang Crank Drive

Postby lcrewse » Fri Jul 26, 2013 5:39 am

Have 2 48v kits available and ready to ship, one is limited and the other is not.
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Re: New Bafang Crank Drive

Postby lcrewse » Tue Sep 03, 2013 6:08 pm

Sold out of initial batch of motors. Have new 36v 350w motors and 48v 750w motors on the way and will update thread with details soon.
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Re: New Bafang Crank Drive 350 and 750w

Postby lcrewse » Tue Sep 24, 2013 2:53 am

Have New 350w and 750w drive systems in stock and ready to ship. Updated thread with the new information.
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Re: New Bafang Crank Drive 350 and 750w

Postby Rollodo » Tue Sep 24, 2013 3:29 pm

Got some more pics of it installed or videos?
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Re: New Bafang Crank Drive 350 and 750w

Postby lcrewse » Tue Sep 24, 2013 4:42 pm

Rollodo wrote:Got some more pics of it installed or videos?


Here are some more pics of a 750w model installed. The difference between the 350w and 750w is only about 5mm in the width of the motor assembly.

image-1.jpeg

photo.JPG

image-2.jpg
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image.jpg
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Last edited by lcrewse on Tue Sep 24, 2013 4:44 pm, edited 1 time in total. View post history.
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Re: New Bafang Crank Drive 350 and 750w

Postby neptronix » Tue Sep 24, 2013 5:24 pm

Nice... cool compact setup; i'd love to see some videos for sure, after all this time.
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Re: New Bafang Crank Drive 350 and 750w

Postby Rollodo » Tue Sep 24, 2013 5:38 pm

What is the weight and noise level, in dB? You can refer to this page for dB levels:

http://www.industrialnoisecontrol.com/c ... amples.htm
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