2019 Cervelo S5 Disc bottom bracket compatibility

Discuss light weight issues concerning road bikes & parts.
Posts: 20
Joined: Tue Oct 30, 2018 7:15 pm

by lewishong9

jmfreeman535 wrote:
Wed Dec 25, 2019 7:19 pm
lewishong9 wrote:
Wed Dec 25, 2019 7:14 pm
sounds good. If I do buy https://wheelsmfg.com/bottom-brackets/b ... black.html Is there any additional spacers I require?

Thank You
I think that is the best way to go. Nope, no additional spacers are required
Thanks alot!

Posts: 840
Joined: Fri Aug 10, 2018 6:40 pm

by Karvalo

johnrho wrote:
Wed Dec 25, 2019 6:55 pm
But the question is why would you want to use a spacer just to make a crank fit? Wouldn’t the 11mm spacer cause a change in Q-factor and chainline issues?
Not in this case, no. Look at the difference between the BB386/BBright unit and the pure BBRight unit posted above. The pure BBright unit simply has the 11mm spacer built into it by way of putting the DS bearing outboard of the frame. Whether you use a dedicated BBRight unit, a BB386 unit + DS spacer or even plain old individual PF30 bearings + spacer the crank itself ends up in exactly the same place.

by Weenie

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