Trax TR.1 Bottom Bracket Size?

James Rayner

Just Joined
Jun 27, 2018
2
0
45
I have a Trax TR.1 - please let me know the bottom bracket size for a mid motor


Thinking of getting this - but need to know the BB size, please:


EU Tax Free!! BBS01 36V 250W Bafang Mid Drive Kit 68mm BB Width Electric Bicycle

Please see attached

It’s hard to tell exactly how long it is and where to measure it from


Many thanks!


James Rayner
 

Attachments

peter.c

Esteemed Pedelecer
Apr 24, 2018
1,611
491
thurrock essex
It is hard to measure without removing the chain wheels and bottom bracket
bbs01 is 68mm -70mm according to most sellers I have had a problem with one installation but that was easily overcome good luck with your build
 

Woosh

Trade Member
May 19, 2012
19,407
16,387
Southend on Sea
wooshbikes.co.uk
I have a Trax TR.1 - please let me know the bottom bracket size for a mid motor


Thinking of getting this - but need to know the BB size, please:


EU Tax Free!! BBS01 36V 250W Bafang Mid Drive Kit 68mm BB Width Electric Bicycle

Please see attached

It’s hard to tell exactly how long it is and where to measure it from


Many thanks!


James Rayner
you measure the shell width, from your picture, it looks like 73mm.
 

James Rayner

Just Joined
Jun 27, 2018
2
0
45
Many thanks

They said I could just buy the 73mm one and it’s compatible with both

Thanks

Hopefully my install goes OK

Thanks again!!

James
 

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