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Old 07-07-06, 01:00 PM
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sidon86
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Building your own bike

Possible noob question-
If I have a 56cm frame, can I purchase a 10 speed SHIMANO Ultegra 6600 group like the one on
http://cgi.ebay.com/NEW-SHIMANO-Ulte...QQcmdZViewItem

as long as the wheels are compatible, or are more measurements neccesary.

Thanks
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Old 07-07-06, 01:17 PM
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bluehair
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You need these measuements to buy a group:
1. The size of your seat tube for the front deraillieur clamp. Exception, if the derailleur is a clamp on (braze-on) then it's OK. You can buy the clamp as a separate item. I believe the swing and pull is the same on all road bikes (bottom swing and bottom pull), but there are so many new bike configurations I'm not sure.
2. Your bottom bracket size: you need the width of your bottom bracket, usually 68mm on a road bike, and you need the spindle length. The chain rings need to clear the chain stays and the chain needs to run parallel to the bike center line. I think the bike frame is spec'ed for this, and you can get the measurement from the manufacturer.
3. The cassette will be specific to the wheel hub.
I think that covers everything.
Pat
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Old 07-07-06, 01:24 PM
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superdex
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you're missing a stem and handlebar, and you'll have to match up the handlebar diameter with the stem; also the stem's clamp on the steerer (the top of the fork). That stuff should be documented on your frame's manufacturer site or on the internets somewhere

also the seat post size, you'll need to know that too for your seat post...
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Old 07-07-06, 04:48 PM
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sidon86
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Thanks,
Im getting some of those measurements now, and then its off to the bike shop to talk with them and figure some stuff out.
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Old 07-07-06, 09:09 PM
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It's a 68 BB size with 109 spindle. Does this mean that an Ultegra 6600 group would be ok. Im thinking either 10 or 18 gears-along with compatible tires.
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