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Old RX100 Cassette(2 posts)

Old RX100 Cassettedrsecond
Aug 26, 2003 5:15 AM
I am looking to change the cassette on my circa 1990 Trek 1200. The bike has an RX100 drivetrain. When I shop for cassettes, I have found HG30, HG50 and other designations for seven speed cassettes. Does anyone know the difference between all these HGs and which ones will work on my bike. I am guessing that they are "downward compatible" but I have no idea. My LBS isn't much help on this.


re: Old RX100 Cassettec722061
Aug 26, 2003 9:49 AM
I know for sure HG50 is the one you are looking for. I have the same component and I replaced cassette with HG50 from Nashbar.