2017 Trek Crockett Crank / Chainstay Interference

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kafreeman
Posts: 40
Joined: Thu Jul 23, 2015 8:46 pm

by kafreeman on Tue Jul 11, 2017 4:25 am

Picked up a 2017 Trek Crockett frameset and built it up. Took it for a ride and I am getting a bit of interference on the drive side with the chainstay.

I noticed some knocking on the two rides i took on it when I got to cranking pretty hard. There has been some rubbing on the chainstay and there isnt much clearance.

Running a Shimano BB71 bottom bracket with a 105 170 mm crank. It's almost like the drive side needs shimmed out, but a whole lot.

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kafreeman
Posts: 40
Joined: Thu Jul 23, 2015 8:46 pm

by kafreeman on Tue Jul 11, 2017 5:21 am

That is ~.035 to .038 in. of clearance between the crank arm and chainstay.
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by Weenie on Tue Jul 11, 2017 5:21 am

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jfranci3
Posts: 229
Joined: Tue Jul 26, 2016 5:21 pm

by jfranci3 on Thu Jul 13, 2017 2:38 am

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kafreeman
Posts: 40
Joined: Thu Jul 23, 2015 8:46 pm

by kafreeman on Tue Jul 18, 2017 5:52 am

Picked up a wheels bb and shimmed it out a bit, no more hitting.

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