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Cassette upgrade problems

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Cassette upgrade problems

Old 04-18-11, 05:44 PM
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Cassette upgrade problems

I have a old trek 330 that I want to do some upgrades on. The bike has a six speed cassette that, when i buy new wheels, i want to replace with a newer one (I'm thinking 8 or 9 speeds). I have done some research and know i will need a new derailleur and shifters probably. The problem i have run into is finding a cassette with a wider range of gears because i don't really want to replace to crankset with a triple. What seems like it would suit my needs the best would be a mountain bike cassette but i don't know if this would work or how the shifting would be. Any advice?
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Old 04-18-11, 06:21 PM
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Installing a 8/9/10 speed rear wheel opens a whole can of worms as these are spaced 130mm road or 135mm mountain. And yes, you'd most likely have to replace the derailler and shifters, although it's quite possible they'll work, especially if they are friction, not indexed. The Trek 330 in 6 speed is not a cassette, but a freewheel, and is a steel frame that can be respaced to accept a modern spaced hub.
Upgrade like that is questionable expense wise, the 330 was good but not a high end Trek. If you need lower gears you may want to drop the size on the front chain rings.
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Old 04-19-11, 12:07 AM
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I have a 79' shogun with 10spd Dura-Ace shifters, Microshift MBT RD, 11-34 cassette, Sora compact 10spd crank, and 10spd chain. Forgot the Zero Lite wheels. About 400$.
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Old 04-19-11, 06:13 AM
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There are to variables at paly to give a recommendation without more details.

What rear hub does your bike have?
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Old 04-19-11, 08:18 AM
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I'm looking at getting some Mavic Aksium Wheels. I think they would have Shimano M-10 Shimano-spline freehub. This would let you use shimano-compatable cassette cogs or something in the neighborhood?
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Old 04-19-11, 10:00 AM
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what are the cogs on your FW/cassette now? what are your chainwheels? are you doing the work yourself? here are a few 8spd cassettes is this what your looking for? https://biketoolsetc.com/index.cgi?id...ettes--8-Speed
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Old 04-19-11, 11:37 AM
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SRAM makes a fairly nice range of shimano compatible cassettes. The other option would be a mega range type, but you'll need a long cage derailleur for those.
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