BB reducer?

L0neR1der

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Jul 30, 2021
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Hi all,

I wonder if you can help please?

I'd like to fit a bafang mid motor to a frame which has a US style bottom bracket, these are a larger diameter than usual bottom brackets. Do you know if a reducer is available that can go inside the bottom bracket shell before the motor is installed please?

Many thanks.
 

Hoggdoc

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Mar 5, 2021
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activityphoto.com
Hi all,

I wonder if you can help please?

I'd like to fit a bafang mid motor to a frame which has a US style bottom bracket, these are a larger diameter than usual bottom brackets. Do you know if a reducer is available that can go inside the bottom bracket shell before the motor is installed please?

Many thanks.
It might be helpful to provide the dimensions of the existing BB and those of what you are trying to reduce it to.

Also you should check this site they seem to have several types of adapters for BB.

 
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