Sur-Ron - New Mid drive Bike

Discussions related to motors other than hub motors.
This includes R/C motors, botttom bracket, roller and geared drives.
Aebrennan   100 W

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Re: Sur-Ron - New Mid drive Bike

Post by Aebrennan » Mar 26 2018 4:18am

RemoteRoad wrote:
Mar 26 2018 2:18am
To you distributors, have you sensed Sur-Ron has some deep pockets behind it?
From my dealings with the export manager i sense they are very keen to sell their products and also interested in feedback. They are genuinely interested in knowing what the customers want. They are also dictated by their investors.
It is difficult to communicate clearly and whilst they do not keep me updated, i found that sometimes you get lucky by asking the right questions.

I can confirm that the first batch of bikes we received early December chassis numbers were 210-220, the latest batch arrived last week is up over 1200 so they are building bikes a lot quicker now.
They are doing small upgrades and increasing the range of options, often without telling anyone!

I have just found out that the recent bikes i have received are version 3 of the Light Bee.
They have a revised headlamp. They have a revised headset. They have the same motor as version 2, but have some secret mods done to the motor and a revised wiring harness.

As far as optional accessories, there are 3 rear sprocket options, 42T, 48T and 58T. There is a chain primary drive upgrade available too.
There are supermoto wheelsets available. I will be doing a few vids soon to show everyone the parts.

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Re: Sur-Ron - New Mid drive Bike

Post by RemoteRoad » Mar 26 2018 5:13am

Very cool. Sounds like a fun space with some interesting challenges.

It's my understanding that the Chinese Govt. has a fairly strong hand in all business (w/ exemptions for various foreign companies operating in nation). Essentially structured as though the entire nation is one giant company and the Head of State also ultimate Chief Executive Officer. That's how you'll see CEOs (more like COOs in the larger scheme) who go a bit rogue now and then suddenly vanish into State run "rehabilitation" centers as leadership for major operations change unexpectedly. All a bit behind a veil for me still.

Distributors have regional monopolies on the bikes?
Last edited by RemoteRoad on Mar 26 2018 8:00pm, edited 1 time in total.

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Rix   100 GW

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Re: Sur-Ron Light Bee - Youtube Playlist

Post by Rix » Mar 26 2018 7:10am

Noillek wrote:
Mar 26 2018 2:26am
Hi all,

Since I’m unpatiently waiting for my Sur-Ron Light Bee, here goes a playlist that I create with all videos that I managed to find in Youtube.

https://www.youtube.com/playlist?list=P ... YudFXgfZdN

Maybe someone will find it useful.
Nice compilation.

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motomoto   1 kW

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Re: Sur-Ron - New Mid drive Bike

Post by motomoto » Mar 27 2018 12:05am

Here is the 58t sprocket I will be working on tomorrow.
58 tooth.JPG
Last edited by motomoto on Mar 27 2018 4:49pm, edited 2 times in total.

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Re: Sur-Ron - New Mid drive Bike

Post by Marksteamnz » Mar 27 2018 12:29am

Aebrennan wrote:
Mar 26 2018 1:20am
Sur-ron vs Subaru 150m race

https://www.facebook.com/mi.micky.520/p ... 7182428199
Great balls of fire! std or tweaked and derestricted controller?

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madin88   100 MW

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Re: Sur-Ron - New Mid drive Bike

Post by madin88 » Mar 27 2018 2:17am

Marksteamnz wrote:
Mar 27 2018 12:29am
Aebrennan wrote:
Mar 26 2018 1:20am
Sur-ron vs Subaru 150m race

https://www.facebook.com/mi.micky.520/p ... 7182428199
Great balls of fire! std or tweaked and derestricted controller?
I wonder what the numbers 50, 100, 150 are related to?
Would be nice if it means kmh.

dirkdiggler   10 kW

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Re: Sur-Ron - New Mid drive Bike

Post by dirkdiggler » Mar 27 2018 2:22am

Probably just meters. Kmh would be sweet though. I don't think I will ever want to go 150 kph on this!

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Re: Sur-Ron - New Mid drive Bike

Post by Noillek » Mar 27 2018 1:42pm

motomoto wrote:
Mar 27 2018 12:05am
Here is the 58t sprocket I will be working on tomorrow.
58 tooth.JPG
Let us know how different it feels,pros and cons.

Thanks

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brumbrum   100 kW

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Re: Sur-Ron - New Mid drive Bike

Post by brumbrum » Mar 27 2018 3:13pm

but have some secret mods done to the motor
Oh come on,, really? So what secret sauce are they using? Snake oil i bet :roll: so what is 'version 4' going to have? Sounds like disbributor marketing bull to me.
My NYX and cromotor build
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motomoto   1 kW

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Re: Sur-Ron - New Mid drive Bike

Post by motomoto » Mar 27 2018 4:45pm

Here is the tweaked version of the 58t. A little sexier.
58 tooth 1.JPG

artisanstone   10 W

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Re: Sur-Ron - New Mid drive Bike

Post by artisanstone » Mar 27 2018 4:48pm

Will these be available? Luna said no when I asked them about the factory sprocket.

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motomoto   1 kW

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Re: Sur-Ron - New Mid drive Bike

Post by motomoto » Mar 27 2018 5:03pm

Will these be available? Luna said no when I asked them about the factory sprocket.
I am the guy that designed and make all of Luna's fancy Bafang sprockets.

I will sell these Sur-ron sprockets when they are finished after anodizing on my website at www.sur-ronusa.com

Luna might also sell them at some point but we haven't talked about it yet.

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Re: Sur-Ron - New Mid drive Bike

Post by artisanstone » Mar 27 2018 5:40pm

I know sorta. We've talked by email. I would have rather bought the bike from you.

stonezone   100 W

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Re: Sur-Ron - New Mid drive Bike

Post by stonezone » Mar 27 2018 5:41pm

aebikes.com.au has 42t, 48t and 58t sprockets in stock. They also have a primary drive chain kit to replace the belt as well as rear hubs (and more it seems like, including used and demo bikes for purchase).
LR-BB on 2014 Glory
Sur-Ron
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Rix   100 GW

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Re: Sur-Ron - New Mid drive Bike

Post by Rix » Mar 27 2018 9:50pm

motomoto wrote:
Mar 27 2018 4:45pm
Here is the tweaked version of the 58t. A little sexier.

58 tooth 1.JPG
That is sexy Kim, put me down for one as soon as its available. I contacted Luna about getting a steel sprocket, no dice, at least not directly from them. BTW, mine is scheduled to arrive thursday, so feel free to hurry on production :D .

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jph3   10 mW

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Re: Sur-Ron - New Mid drive Bike

Post by jph3 » Mar 28 2018 1:24am

Just drew lucky order number 49000 with Luna... Definitely excited to get them in and put them to use. I have been following as well for some time, and wanted to say thanks to Kim for the advice so far.

I am planning to swap the light out, adding a fender, and then ordering a couple 58T sprockets as well... then wearing the tires out :D

@heyena... keep the vids coming! I like the upgraded moto bars and grips!

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Re: Sur-Ron - New Mid drive Bike

Post by Aebrennan » Mar 28 2018 3:14am

madin88 wrote:
Mar 27 2018 2:17am
Marksteamnz wrote:
Mar 27 2018 12:29am
Aebrennan wrote:
Mar 26 2018 1:20am
Sur-ron vs Subaru 150m race

https://www.facebook.com/mi.micky.520/p ... 7182428199
Great balls of fire! std or tweaked and derestricted controller?
I wonder what the numbers 50, 100, 150 are related to?
Would be nice if it means kmh.
The numbers represent the distance in metres 0-150m drag race.

I suspect they are testing the new sine wave controller with FOC, but it could just be distributor marketing bull....

The 58T tooth pros - more torque, more low speed fun, easier wheelies, more dangerous.
cons - less top speed, less top speed , less top speed

I would like a 52-54T if Motomoto is tooling up, as i feel the bike tops out too quick now on the flat sections that i hit on the trails.
It is even more annoying as the speedo still shows 70kmh when it clearly is not. I need to use GPS or fit a wheel speed sensor for accurate testing. I will need to test the top speed for the 42t sprocket as well.

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madin88   100 MW

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Re: Sur-Ron - New Mid drive Bike

Post by madin88 » Mar 28 2018 6:37am

Aebrennan wrote:
Mar 28 2018 3:14am
It is even more annoying as the speedo still shows 70kmh when it clearly is not. I need to use GPS or fit a wheel speed sensor for accurate testing. I will need to test the top speed for the 42t sprocket as well.
Isn't it possible to program the wheel size somewhere?

Looking forward to your vids or more news about the parts and supermotor version.

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Rix   100 GW

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Re: Sur-Ron - New Mid drive Bike

Post by Rix » Mar 28 2018 7:01am

I would like a 52-54T if Motomoto is tooling up
Same here. I think a 53T would be the perfect compromise. But a 58t will still be better for me than stock as I got a lot of mountains around here.

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Re: Sur-Ron - New Mid drive Bike

Post by racingame » Mar 28 2018 9:06am

stonezone wrote:
Mar 27 2018 5:41pm
aebikes.com.au has 42t, 48t and 58t sprockets in stock. They also have a primary drive chain kit to replace the belt as well as rear hubs (and more it seems like, including used and demo bikes for purchase).
I already knew about the 58t sprocket with 112 chain but can you explain the second part? What does this mean "they also have a primary drive chain kit to replace the belt as well as rear hubs", could you put an image? I may understand it in my language, but I'm not that good with english.

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efMX Trials Electric Freeride   100 kW

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Re: Sur-Ron - New Mid drive Bike

Post by efMX Trials Electric Freeride » Mar 28 2018 9:47am

racingame wrote:
Mar 28 2018 9:06am
I already knew about the 58t sprocket with 112 chain but can you explain the second part? What does this mean "they also have a primary drive chain kit to replace the belt as well as rear hubs", could you put an image? I may understand it in my language, but I'm not that good with english.
here is a good reason for the primary drive belt to chain conversion.. premature belt / sprocket wear :

https://endless-sphere.com/forums/viewt ... 9#p1359899

the primary drive is from motor to jackshaft.. the secondary drive is from jackshaft to rear wheel..

Image
some ride & sk8 videos:
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http://www.youtube.com/natas666damien
i have nothing for sale.. :)

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fechter   100 GW

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Re: Sur-Ron - New Mid drive Bike

Post by fechter » Mar 28 2018 12:47pm

What size chain/sprockets are you thinking of for the primary reduction?
"One test is worth a thousand opinions"

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efMX Trials Electric Freeride   100 kW

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Re: Sur-Ron - New Mid drive Bike

Post by efMX Trials Electric Freeride » Mar 28 2018 1:14pm

fechter wrote:
Mar 28 2018 12:47pm
What size chain/sprockets are you thinking of for the primary reduction?
with the primary drive chain and sprocket conversion you may want to keep the same sprocket outside diameter as the stock belt drive to maintain the same reduction without having to use a huge sprocket at the rear wheel.. but since chain drive does not need as much chain wrap on the sprocket as belt drive then you could go down to ~13 tooth (420 chain) for the motor sprocket (don't go much smaller or it will wear faster) with a bit smaller diameter second sprocket..
some ride & sk8 videos:
metacafe.com/channels/NATAS666DAMIEN
http://www.youtube.com/natas666damien
i have nothing for sale.. :)

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efMX Trials Electric Freeride   100 kW

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Re: Sur-Ron - New Mid drive Bike

Post by efMX Trials Electric Freeride » Mar 28 2018 3:22pm

artisanstone wrote:
Mar 20 2018 4:24pm
I went ahead and ordered one. The only complaints I've run across are that front brakes might be a tad weak and rear sprocket could be bigger. Any comments on those issues? Also any parts compatibility?
I'm guessing that "light bee" comes with downhill mtn bike style brakes with 8" disc rotors.. for more front brake leverage and bite (to endo, lift the rear wheel like trials) you could probably run larger diameter 9" / 224mm rotors such as from Hayes.. i think some ppl on here are even running 10" rotors on some of their ebikes (Rix) ???
some ride & sk8 videos:
metacafe.com/channels/NATAS666DAMIEN
http://www.youtube.com/natas666damien
i have nothing for sale.. :)

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Rix   100 GW

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Re: Sur-Ron - New Mid drive Bike

Post by Rix » Mar 28 2018 9:36pm

efMX Trials Electric Freeride wrote:
Mar 28 2018 1:14pm
fechter wrote:
Mar 28 2018 12:47pm
What size chain/sprockets are you thinking of for the primary reduction?
with the primary drive chain and sprocket conversion you may want to keep the same sprocket outside diameter as the stock belt drive to maintain the same reduction without having to use a huge sprocket at the rear wheel.. but since chain drive does not need as much chain wrap on the sprocket as belt drive then you could go down to ~13 tooth (420 chain) for the motor sprocket (don't go much smaller or it will wear faster) with a bit smaller diameter second sprocket..
This is true, I am guessing that Sur-Ron has some kind of Delron guide that protects the chain from grinding on the swingarm. Running a 12t or 11t would cut into that deeper causing accelerated wear.

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