Bike Forums - View Single Post - Old Hyperglide 7-speed Compatibility, Want new 7 cassette

12-15-09 | 09:06 AM

#4

Homebrew01

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From: Ffld Cnty Connecticut

Bikes: Old Steelies I made, Old Cannondales

Quote:

Originally Posted by Gonzo Bob

Really old HG freehubs also had the external UG threading and need tweaking (grinding or a spacer) to fit a cassette that starts with an 11T. Otherwise all 7-speed HG cassettes will fit. You'll probably have difficulty finding tight cassettes, though. Might be easier to just get an 8-speed cassette, sub in all your 7-speed spacers, and drop the largest cog. You could turn a 12-28 8sp into a 12-24 7-sp that way.

Good suggestion, thanks

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