FSA Gossamer BB386 EVO on BB Right frame

Discuss light weight issues concerning road bikes & parts.
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uraz
Posts: 78
Joined: Thu Dec 12, 2013 9:48 pm

by uraz

Long story short I have Cervelo S5 frame with stock rotor bottom bracket pressed in, and FSA Gossamer BB386 EVO crank. I don't have any additional spacers and wave washers. After "proper" installation there is a side play of about 6-8 mm caused by too long crank spindle. First question is if it's possible to use FSA crank with rotor BB. If an answer to 1st question is "yes" than, what should I do to get rid of a gap between BB bearings and crank arm.

by Weenie


pf30
Posts: 6
Joined: Sat Jan 25, 2014 7:55 pm

by pf30

anwser 1st question : no, you should find an adapter!

BB386 : 86.5mm
BBright : 79mm

uraz
Posts: 78
Joined: Thu Dec 12, 2013 9:48 pm

by uraz

What do you mean by "adapter"? New FSA bottom bracket or some spacer for rotor?

GT56
Posts: 571
Joined: Fri Jun 05, 2009 9:40 am
Location: Switzerland

by GT56

a 9.5 mm spacer between right crankarm and rh side bearing should do it

these are in fsa's 'catalogue'

prebsy
Posts: 762
Joined: Tue Oct 23, 2012 10:52 pm
Location: PHL

by prebsy

I hate to bring up a dead topic but I am looking to get a 386 evo crank for a bbright cervelo. I have no idea where to find this spacer, yes I checked the 2014 fsa catalog. Does anyone have a link where I can buy it?

AndreLM
Posts: 263
Joined: Tue Feb 05, 2013 11:53 pm

by AndreLM

Rotor 3d+ is essentially a bb386 crank. Whatever is required to install it on a Cervelo, should fit your crank. Disclaimer: I do not have a BBRight frame, so I do not have actual experience


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by Weenie


prebsy
Posts: 762
Joined: Tue Oct 23, 2012 10:52 pm
Location: PHL

by prebsy

for some reason i thought the spacer with the rotor was 11.5mm but i don't remember for sure.

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