Boost /non Boost chainring

Giff

Active member
Subscriber
Oct 14, 2019
421
116
Cheshire UK
I have had trouble sourcing a new chainring for my Bosch CX gen 4 motor.

It has finally arrived, same teeth and spec but it is Boost and my original is non- Boost.

It fits and seems to line up and move up and down the cassette ok on the stand.

Does anybody know if there are any problems with this ?
 

Jackware

Fat-tyred Freakazoid
Subscriber
Oct 30, 2018
1,876
2,027
Lancashire
From memory the difference in offset is only 3mm so you may get slightly more chain wear if you're normally in the lower (large) rear cogs but conversely less wear if you're normally in the higher (smaller and further out) gears. IMO you won't notice any difference but YMMV.
 

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