BB30 Chainset weights

Discuss light weight issues concerning road bikes & parts.
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stevenb
Posts: 19
Joined: Sat Mar 08, 2008 10:19 pm
Location: Dunstable, UK

by stevenb

Looking for a new BB30 chainset and wanting to know if when they give weights it includes the bottom bracket.
eg SRAM Force says 645g w/bb. Does the 'w' mean with or without?
FSA SL-K Carbon chainset website shows figures under 'Crankweight' which I'm guessing excludes the bottom bracket element especially as it's under the 600g mark.

Cheers

Steve
Planet X RT-57 custom build ongoing....

rijndael
Posts: 395
Joined: Tue Sep 20, 2011 12:54 pm
Location: Haines, AK - Temporarily

by rijndael

stevenb wrote:Does the 'w' mean with or without?


w = with
w/o = without

by Weenie


Estelja
Posts: 227
Joined: Tue Jun 23, 2009 10:47 pm

by Estelja

Most BB30 stated crank weights will be without BB. The BB is only two 6806 size bearings, circlips, a couple of dust caps and some shims. A typical BB30 BB will weigh 65-70 grams and are sold separately from the cranks.

stevenb
Posts: 19
Joined: Sat Mar 08, 2008 10:19 pm
Location: Dunstable, UK

by stevenb

Estelja wrote:Most BB30 stated crank weights will be without BB. The BB is only two 6806 size bearings, circlips, a couple of dust caps and some shims. A typical BB30 BB will weigh 65-70 grams and are sold separately from the cranks.


Thanks for that.
So if I have an existing FSA Gossamer Pro BB30 chainset and upgrade to a SRAM Force or FSA SL-K Carbon I can simply retain the existing BB bearings in the frame or do I have to buy SRAM/FSA specific bearings?

First BB30 bike I've had you see.
Cheers for your help guys.
Planet X RT-57 custom build ongoing....

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Anders
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Joined: Sun Dec 12, 2004 2:49 pm
Location: Mårslet, Denmark
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by Anders

Depends on if the spacers/dust caps comes with the crankset or the BB. They might also be integrated into the crankarms, I know they are on some FSA cranksets. Yes you can use the same bearings.

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