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Recreational Cyclocross and Gravelbiking This has to be the most physically intense sport ever invented. It's high speed bicycle racing on a short off road course or riding the off pavement rides on gravel like :The Dirty Kanza". We also have a dedicated Racing forum for the Cyclocross Hard Core Racers.

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Old 12-11-13, 05:54 PM   #1
gnawthrough
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Trek Crockett issue, help please!

I know a couple of people in this forum have built up a Crockett. I've recently picked up one myself and have had an issue with it.

The problem that I'm having is installing the headset. Maybe I picked up an incorrect headset, but I just grabbed a standard integrated tapered headset from BBB, http://bbbcycling.com/bike-parts/headset-parts/BHP-46 this one specifically.
They cups both seem to be too tight in the frame? I've never installed an integrated headset that didn't just fit in easily. I attempted to press the cups in but didn't want to damage anything so I stopped.

If anyone who has built one of these can recommend an exact headset model + any install procedures they used it would be so so awesome.
I'd love to be able to post up a picture ASAP so you guys can see the final build! Campy Chorus 9spd with record levers +avid shorty ultimates!

Thanks in advance
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Old 12-11-13, 06:39 PM   #2
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buy the headset bearings from Trek, they know what works with the frame and fork. If you got the frameset, it SHOULD have came with the bearing kit.
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Old 12-11-13, 07:06 PM   #3
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According to the Cane Creek headset fit finder, you need an integrated headset with a 41mm upper diameter and a 52mm lower diameter. The BBB site doesn't list that information for the headset you linked to, but the replacement bearings are listed as 41.8/51.8, which might explain what you're seeing.

I don't have a Crockett, but if the Cane Creek information is correct then you need this upper:

http://www.universalcycles.com/shopp...s.php?id=39921

with this lower:

http://www.universalcycles.com/shopping/product_details.php?id=39947
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Old 12-12-13, 07:50 PM   #4
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There are two IS standards. 41mm and 42mm ID.
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Old 12-13-13, 11:46 AM   #5
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Looks like BBB dropped their US/CDN distributor, I dont see any in NA listed on their site.
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Old 12-16-13, 06:07 PM   #6
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Thanks for all the help guys. I ended up emailing Trek a couple of times and getting the info for the bottom bearing. It does use a proprietary bottom bearing, the same as the current gen of Madones. The top is a standard IS 41 bearing so I have one of those on order aswell! Very excited to get this bike built up when the top bearing shows up in a couple of days.
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Old 01-03-14, 01:16 PM   #7
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1st Crockett, now Boone .. http://www.bikerumor.com/2014/01/01/...ke/#more-71385

& seems like Nys is under contract as a cross marketing help.
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