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Old 04-28-12, 02:53 AM   #1
ru1thirst
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Trek DS 8.5 seat post diameter?

Think about getting a thudbuster LT. Anybody have one on their Trek DS and what diameter? Thinking about going the Amazon route but they have 4 or 5 sizes.
Any info would be great.
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Old 04-28-12, 03:04 AM   #2
Seve
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Have you checked out this, it may help you out ?
http://thudbuster.com/details.html
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Old 04-28-12, 03:24 AM   #3
giantcfr1
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Am I missing something? Why can't you just pull your seat post out and see what is stamped on it? It would be strange for a Trek / Bontrager seat post to not have it stamped on it.
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Old 04-28-12, 08:15 AM   #4
chepburn
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Quote:
Originally Posted by giantcfr1 View Post
Am I missing something? Why can't you just pull your seat post out and see what is stamped on it? It would be strange for a Trek / Bontrager seat post to not have it stamped on it.
op post count = 2 so maybe he's new like me and has no idea that it is stamped on there.

I just checked mine (8.3 DS) and it's:
27.2 - I assume the size
12 A 22 - part number?
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Old 04-28-12, 12:39 PM   #5
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I have the 8.5 with a Thudbuster ST. The seat post diameter is 27.2 mm (it is marked on the stock post, although very faintly). The Thudbuster is a nice addition to the bike, but don't expect too much from it. It works best on dips, where the rear tire moves down away from the rider; the effect is negligible on upward bumps. I would recommend getting the Lizard Skin cover if you're going to be riding without fenders; both can be purchased direct from Cane Creek
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Old 04-28-12, 03:19 PM   #6
ru1thirst
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Thanks everybody for the info. Yep, chepburn nailed it. New here and have been out of the "bike world" for about 20 years and didn't think about pulling the post and looking.
Thanks also to Deathly Hallows for you experiences with the ST. I'm hoping the LT may be a little more helpful with the upward bumps as you say.
Anybody have experiences with the LT?
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