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-   -   GXP Bottom Bracket Spacers (https://www.bikeforums.net/bicycle-mechanics/749935-gxp-bottom-bracket-spacers.html)

B100 07-08-11 01:35 PM

GXP Bottom Bracket Spacers
 
The instructions for installing a Sram Force GXP bottom bracket call for an aluminum spacer on each side if you have a 68 MM shell. If i install these spacers when i install the crank it locks up when i tighten the crank arm bolt. It works fine with no play or looseness without the spacers. I've checked the instructions online & in print & both say you need the spacers with a 68 MM shell. Are the instructions wrong ? The frame is a Look 585.

fietsbob 07-08-11 03:03 PM

One assumes they made a 70mm overall width for the Italian spec,
so there is where the extra length .. comes in.

BB spacers are common, used for chain line tweaking..
you screw a freewheel on top of them too.

did you ask the dealer who sold you the stuff you have?

Elvo 07-08-11 04:57 PM

They are wrong. The directions are for the MTB cranks

B100 07-08-11 08:57 PM


Originally Posted by ********** (Post 12900419)
They are wrong. The directions are for the MTB cranks

Thanks.

laura* 07-08-11 11:59 PM


Originally Posted by B100 (Post 12899484)
The instructions for installing a Sram Force GXP bottom bracket call for an aluminum spacer on each side if you have a 68 MM shell. ... Are the instructions wrong ?

I just bought one of these BB's for a project. The box had two instructions sheets in it. One has a outline drawing of a road bike on the "cover". The other has a drawing of a mountain bike. Other than these drawing, there's nothing to indicate the intended application of the instructions. :notamused: It's multi-lingualism taken to absurd limits.

You probably grabbed one "booklet", saw some English writing, assumed the other one had additional foreign languages on it, and went with your first choice - which in reality was the MTB version.

B100 07-09-11 07:46 AM


Originally Posted by laura* (Post 12901828)
I just bought one of these BB's for a project. The box had two instructions sheets in it. One has a outline drawing of a road bike on the "cover". The other has a drawing of a mountain bike. Other than these drawing, there's nothing to indicate the intended application of the instructions. :notamused: It's multi-lingualism taken to absurd limits.

You probably grabbed one "booklet", saw some English writing, assumed the other one had additional foreign languages on it, and went with your first choice - which in reality was the MTB version.

Yeah, thats exactly what happened, i found the instruction sheet with a faint outline of a road bike in the bottom of the box after reading you reply.


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