Bicycle Mechanics - Clamp on front derailleur fit
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02-18-06, 11:11 AM
I have a 2001 Litespeed Tuscany that is preported to have a 31.8mm seat tube for a clamp on derailleur. I also have a 31.8mm clamp on Campy Record derailleur. I haven't forced it yet, but the derailleur clamp seems too small. is the answer just to get a longer bolt to go through the clamp? Has anyone delt with this problem before and what was the solution.
02-18-06, 11:47 AM
I'll answer my own question here. It appears that Litespeed gave me bad information, and the clamp should be 35mm.
02-18-06, 05:34 PM
Right, the clamp should be 1-3/8" (34.9 mm usually rounded to 35 mm) diameter. Most Litespeed frames have used that diameter seat tube for a long time. My '96 Catalyst (predecessor to the Tuscany) uses a 35 mm derailleur clamp.
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