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8spd cassette on 7spd bike?(3 posts)

8spd cassette on 7spd bike?DT
Apr 18, 2001 4:55 PM
My friend just bought an early 90's Pinarello with a 7sp cassette. Will a rear wheel with an 8spd hub fit the frame? Thanks!
re: 8spd cassette on 7spd bike?JohnnnyP
Apr 18, 2001 7:33 PM
Maybe ,maybe not. 8 speed dropout spacing was 130mm. Many later 7 speed frames were 130, but typically are 126. If the frame is steel, many people just stick the 8 speed wheel in and ride. Derailer hanger realighment isn't critical. Al and CF frames dont like to be spread. Some do it anyway, and the result is often failure.
re: 8spd cassette on 7spd bike?Vergil
Apr 21, 2001 4:35 AM
See my reply to Bonsai (his 4/20) post. My frame is 126 mm at the drop outs and CF, too.