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Old September 25th 12, 03:25 AM posted to rec.bicycles.tech
Doug Cimperman
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Posts: 147
Default How does I fix these cranks?

On 9/24/2012 6:03 PM, James wrote:
On 25/09/12 08:41, Doug Cimperman wrote:
Today I see the drive-side crank here is loose on the spindle. The
non-drive side moves a much smaller bit, that appears to be the bearing
play (it could probably use new bearings anyway).

I never much got into bicycle mechanics really, so what [special] tools
would I need to get this thing apart, and what kind of crank is it
exactly? (to get a replacement, if it can't just be tightened up,,,) \

The spindle is a tube that runs almost all the way through from the
drive side, to the non-drive side....

http://www.norcom2000.com/users/dcim...s/loose01.html



Looks similar to this?

http://www.sram.com/truvativ/products/truvativ-gxp-bb

A quick google search yields..

http://www.youtube.com/watch?v=RB1wcwlmsRc


I have an arbor press and torque wrenches.

Is it possible to install a square-taper BB into the frame? I'm not
finding much available in the road 130/74 category that doesn't cost
huge sums of money.

This is the only drop-in I have found so far-
http://www.nashbar.com/bikes/Product...0#ReviewHeader
(FSA Gossamer MegaExo Triple Crankset)

The other two are square-taper, one is 118 and one is 122mm.

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