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Old 07-14-02, 04:51 AM   #1
purple hayes
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What size/type of new chain for a Trek 1000/Shimano Sora Group

Total newbie when it comes to chains. I've got a Trek 1000 w/triple in the front and 9 speed cassette in the rear. Shimano Sora groupo. How do I go about figuring out which type of chain to get and what other special tools I may need to change out the chain.

PH
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Old 07-14-02, 09:36 AM   #2
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You need a chain breaker. That is the only tool. There are several chain maker's. Sachs, KMC, Wipperman, Rohloff, Campagnolo, and shimaNO. i never reccomend shimaNO but will reccomend Sachs, KMC, and Wipperman. You also should use a 9 speed chain.
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Old 07-14-02, 10:11 AM   #3
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Park Tools tell you everything you need to know about chains, except for ShimaNO chains being a pain in the butt to fix.
Use a Sachs 9speed compatable. They come with a re-usable Powerlink so can be removed by hand. NB you need the chaintool to remove excess links so the chain is the correct size:

http://www.parktool.com/repair_help/FAQchnRe.shtml
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Old 07-14-02, 11:01 AM   #4
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Sora is 7 or 8 speed,so what are you doing with a 9 speed cassette in the rear?.Sure it's not 8??? Why a new chain? Yours really wore to the point of needing replacement?? Use a sram of whatever speed your rear cassette is.No point in spending excess money on any thing but the basics for that deivetrain.
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Old 07-16-02, 01:07 PM   #5
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Sram PC58 is quieter and more durable but may be slower shifting; a Shimano or KMC chain will shift more quickly, the shape of the link side plates will let it climb the ramps on cogs faster. The Sram chain will be more forgiving of worn cogs--it's less likely to skip if you run it on an excessively worn cassette, a concern if you ran your old chain 2500 miles or more.
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Old 07-16-02, 01:09 PM   #6
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PS, here's my hierarchy of chain tools: Cyclo Rivoli is a piece of garbage, a 5-use throwaway. Park Chain Brute is the best for the money, durable and easy to use but not as much of either one as a Shimano HG tool. Expensive, but worth it--my 6/7/8 speed chain tool has seven years of regular shop use in it, is on its third pin, and has gone as long as three or four Parks or a bucket of Cyclos would have. Expect to pay @$30 to $35 US for one.
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