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Replace seat collar screw w. clamp on?

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Replace seat collar screw w. clamp on?

Old 10-28-09, 07:57 AM
  #1  
Lawrence08648
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Replace seat collar screw w. clamp on?

I'm a road biker and just bought a used 7 speed Cannondale CAD 3 with HeadShok.

The seat post is fastened with a collar and screw. With a road bike, once the seat height is set, you never adjust it. I'd like to periodically adjust the seat when MTB riding depending upon whether it's really rough terrain and I have to put my feet down or it's very easy flat trail riding and I want the seat higher. Is it a wise idea to replace the screw seat post collar with the single lever clamping type collar?
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Old 10-28-09, 08:00 AM
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kenhill3
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Shouldn't be a problem.
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Old 10-28-09, 10:17 AM
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yep. easily done. the old one ought to have the size marked on it somewhere. if not, easy to measure the seat tube with some calipers to see what size you need.

most bike shops will have a basic QR clamp or two of the most standard sizes kicking around.

or:
http://www.universalcycles.com/shopp...p?category=168

(the QR ones start about half way down the page)
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Old 10-28-09, 12:59 PM
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Can you use a quick release bolt with the old collar (welded on to the seat post in the case of my 4yo's bike)?
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Old 10-28-09, 01:25 PM
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Originally Posted by 4evrplan View Post
Can you use a quick release bolt with the old collar (welded on to the seat post in the case of my 4yo's bike)?
Look at the page I linked in my earlier response - the QR bolts at the very bottom - you may be able to get one of those to work, depending on the size and shape of the welded on bits on your son's frame.
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