Join Date: Feb 2005
Bikes: Trek 5500, Colnago C-50
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This will depend a lot on riding style and maintenance. Based on what I've seen I think 10,000 to 15,000 miles on a road bike cassette is pretty common. Probably less on mountain bikes.
And 5,000 to 6,000 miles on a good chain.
Last edited by Al1943; 07-13-09 at 04:40 PM.