Bikes compatible with Bafang BBS02 motor

SdotC

1 mW
Joined
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Location
Calgary, Alberta
I have a Kuwahara Eclipse mountain bike. Will the BBS02 spindle fit the bottom bracket on this bike? I have gleaned this info from the link below. "Bafang BBSxx motors have a bottom bracket shaft diameter of 33.5 mm and are designed to fit into the bicycle bottom bracket standard known as JIS or Japanese Industrial Standard, which is very similar to our standard here in the US commonly referred to as "square tapered spindle", ISO/English, BSA, British, or "threaded""
https://www.empoweredcycles.com/blogs/news/101474694-bottom-bracket-standards-and-bafang-mid-drive-motors
Is there a list published anywhere that shows what bike brands/models are a natural fit (not too much jerry rigging) for the BBSxx motors?
 
No, there is no list. Given the number of bikes available, that's like asking "is there a list of people who look good in these pants?"

If your bike has a threaded bottom bracket shell and a straight down tube that slopes upward towards the fork, then it's overwhelmingly likely a BBS02 or BBSHD will fit.

Other kinds of bottom bracket are likely to work, though. What doesn't work so well is a downtube that is horizontal where it attaches to the bottom bracket shell.
 
Thx. I did try to amount the BBS02 on my Cannondale hybrid road bike, but the BB "socket" was slightly too small to accept the 33.5mm spindle of the motor. I think these Cannondale specs may explain it. https://wheelsmfg.com/bb30a-tech-info
Hope I have better luck with the Kuwahara.
 
SdotC said:
Thx. I did try to amount the BBS02 on my Cannondale hybrid road bike, but the BB "socket" was slightly too small to accept the 33.5mm spindle of the motor. I think these Cannondale specs may explain it. https://wheelsmfg.com/bb30a-tech-info
Hope I have better luck with the Kuwahara.

You left the Cannondale bottom bracket in place? That's not how you do it. You take the BB bearings out of the frame, sleeve it with a BSA adapter, and install the mid drive.
 
Looking at these two bikes as possible hosts for by Bfang BBS02 Mid drive:
Norco Bush Pilot Bottom Bracket FSA BB-7420ST Cartridge

and
A Gary Ficher Advance. I can't find anything about the Bottom Bracket.

Any advice as to whether either of these bikes would work.
 
SdotC said:
Looking at these two bikes as possible hosts for by Bfang BBS02 Mid drive:
Norco Bush Pilot Bottom Bracket FSA BB-7420ST Cartridge

and
A Gary Ficher Advance. I can't find anything about the Bottom Bracket.

Any advice as to whether either of these bikes would work.

If it is a standard threaded bottom bracket shell on the frame it will fit. If it is a press fit BB you will need an adapter.
There are other interesting BBs where it won't fit. That cartridge bottom bracket quoted looks like it fits a standard threaded BB so you should be okay.

I just put a BBS02 on an old Norco Kathmandu, an el cheapo entry level mountain bike from the early 2000s. No problems.
 
Still looking for a bike to mount my BBS02 on. What about a Norco Vermont 21 speed. Here are the specs
https://99spokes.com/en-CA/bikes/norco/2009/vermont
I think it has to be this vintage because later versions appear to be 24 speed.
 
What's wrong with your Kuwahara? It will work fine.
 
SdotC said:
Still looking for a bike to mount my BBS02 on. What about a Norco Vermont 21 speed. Here are the specs
https://99spokes.com/en-CA/bikes/norco/2009/vermont
I think it has to be this vintage because later versions appear to be 24 speed.

if you already own a donor bike that works, why would you spend money on a piece of crap?
SdotC said:
Is there a list published anywhere that shows what bike brands/models are a natural fit (not too much jerry rigging) for the BBSxx motors?
https://endless-sphere.com/forums/search.php?st=0&sk=t&sd=d&sr=posts&keywords=bbs02&fid%5B%5D=6
 
There IS A LIST!

A simple search and shazaam!
bbs02 compatible bikes

https://electricbike.com/forum/forum/builds/ebike-building-directions/14811-list-of-bike-build-threads-to-be-bbshd-or-bbs02-compatible-pictorial
 
tomjasz said:
There IS A LIST!

A simple search and shazaam!
bbs02 compatible bikes

https://electricbike.com/forum/forum/builds/ebike-building-directions/14811-list-of-bike-build-threads-to-be-bbshd-or-bbs02-compatible-pictorial

So, if its not on that list, its not compatible.
 
biphaeboh said:
tomjasz said:
There IS A LIST!

A simple search and shazaam!
bbs02 compatible bikes

https://electricbike.com/forum/forum/builds/ebike-building-directions/14811-list-of-bike-build-threads-to-be-bbshd-or-bbs02-compatible-pictorial

So, if its not on that list, its not compatible.

That's the laughable idea-- that it would even be possible to compose a list of compatible bikes.

It would be easier and more useful to compile a list of incompatible bikes, but still impossible in the real world.
 
biphaeboh said:
tomjasz said:
There IS A LIST!

A simple search and shazaam!
bbs02 compatible bikes

https://electricbike.com/forum/forum/builds/ebike-building-directions/14811-list-of-bike-build-threads-to-be-bbshd-or-bbs02-compatible-pictorial

So, if its not on that list, its not compatible.


No but you could compare specs and sort.
 
Chalo said:
biphaeboh said:
tomjasz said:
There IS A LIST!

A simple search and shazaam!
bbs02 compatible bikes

https://electricbike.com/forum/forum/builds/ebike-building-directions/14811-list-of-bike-build-threads-to-be-bbshd-or-bbs02-compatible-pictorial

So, if its not on that list, its not compatible.

That's the laughable idea-- that it would even be possible to compose a list of compatible bikes.

It would be easier and more useful to compile a list of incompatible bikes, but still impossible in the real world.

FFS. You’re becoming almost evangelical in your I’m right everyone is clueless attitude.

I’ve learned more from you and our PM exchanges then from any one else. I’m thankful but you’re so quick to piss on anyone’s parade. A simple Google using the bike brand and model with BBSHD and again with BBS02 will often find a build thread.

“Say sour grapes
You can laugh and stare
Say sour grapes
But I don't care.”
 
Dude. There are a jillion friggin' bikes out there at any given time, and the same model from the same brand can change substantially from one model year to the next. There is no way you or anybody else is going to make a list of will-do or won't-do models. You can only figure out what features will or won't do, and look for those.
 
For 7 years I managed to guide sc
ores o BBSxx kit buyers to sort their bikes and compatibility WTF do you insist on making it difficult. Chill guy. If you were do smart you’d be rich. Kidding but almost true.
 
biphaeboh said:
tomjasz said:
There IS A LIST!

A simple search and shazaam!
bbs02 compatible bikes

https://electricbike.com/forum/forum/builds/ebike-building-directions/14811-list-of-bike-build-threads-to-be-bbshd-or-bbs02-compatible-pictorial

So, if its not on that list, its not compatible.

I always do two searches when asked, bike brand, model and BBSHD. And again brand model and BBS02. You’d be amazed at how often you can find a build thread.
 
tomjasz said:
WTF do you insist on making it difficult.

It's not difficult! Bafang has made it as easy as they can, and most bikes work fine. But trying to sort by brand and model is insane. You look for a normal threaded BB shell and a down tube that slopes up instead of doing style-driven monkey business. That's pretty much it.
 
Sour Grapes..... :shock: Oh yea.... :p
Sour Grapes.....JPG

:bolt:
 
Wow dude. You’re making it hard. But I’ve learned. There’s no other view, just yours. I forget myself. Your way or the highway. BTW how many BBSxx kits have you sold? Never mind. I forgot again…
 
tomjasz said:
BTW how many BBSxx kits have you sold?

Sold? None.

Installed? More than I can recall. Never had to turn one away because it wouldn't fit.

Also, I've worked on more different bike brands and models than would ever make it onto your hypothetical list. Skykomish? Hujsak? Jupiter Beat? Texas Rangerette? Caloi? MFP? Peter White? Fireman's Texas Cruiser? Machete? I could tell you whether they'll take a mid drive, but they won't make the list.
 
Responding to various comments above... Just what is wrong wit a Norco. I thought they were considered a good brand. Note I am looking at buying a Norco Vermont 21 spd second hand. Here is a post on installing a BBS02 on a Norco Hybrid. https://electricbike.com/forum/forum/builds/ebike-building-directions/240-norco-indie-with-bbs02
As for the the Kuwahara Eclipse that I already have, the tires are old and cracked, and it is not particularly comfortable for my 5'7" aging frame. Also, I have to pay my a bike mechanic to do the install, and we already did one try on my Cannondale hybrid and ran into problems. Hence my overly cautious approach to finding the "right bike". IAC thanks to all to all and sundry for commending on this post. Very helpful.

A couple more preference questions follow.
 
Style Preferences for mounting a BBS02 motor:
This bike is for use on streets and pathways, not for bushwacking, jumping etc. I also want to be able to still pedal home if the battery runs out. The battery I bought is a 48v 17.5ah 30a BMS in a Hailong Pack. I think that should be enouth for the rides I want to go on.
Also, I need to be able to take the front wheel off and put the bike in my van - no bike rack - so a very heavy bike is out of the question. On a quick estimate, a 35 lb bike + motor (10 lbs) + battery (12 lbs) is about what I am looking for.
So which style should I choose:
28"/700 cc hybrid or 26" mountain bike
Mechanical disk brakes or rim "V" brakes
 
My opinion is that if you are 5'7" (I am 5"7) and aging like me then you need to go with comfort. After close to 20,000 miles of riding I say go full suspension. There are some on this board (maybe on this thread :wink: ) whom are larger then us and they find that full suspension is not suitable for them. I also ride with a suspension seat post but find it to bottom out easily due to my weight.

My bikes are around 80 lbs, and I am around 208 lbs at the moment and my v-brakes have never failed to lock up my tires when I pull them aggressively. I do, however, keep them well adjusted. That also means keeping your rims trued.



:D :bolt:
 
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