Can I use my old rear mech with 9-speed?
05-07-05, 02:46 AM
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Can I use my old rear mech with 9-speed?
Hi, I'm currently using an 8-speed setup with a Shimano 600 rear mech (about 8 years old) and changing to 9-speed. My bike shop guy reckoned I could use the same mech on a 9-speed cassette, though he thought it wouldn't be perfect. Is he right? Or should I start trawling ebay for 9-speed mech bargains, and get even less work done?
05-07-05, 02:51 AM
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Your 8 speed derailer will work just fine for 9. The cassette width is the same the main things you'll need to change is the chain and the cassette. Just as a general query: How fresh are your chain rings?
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05-07-05, 03:10 AM
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The chainrings are 2 years old but quite fresh. How do I tell if they're 8-spd or 9-spd rings? My lbs says that if I try using 8-spd I'll get loads of chain-suck. The big ring says "Shimano SG A-53" on it.
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05-07-05, 05:02 AM
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You will need to change the STI shifters unless you are using friction (non-indexed) shifters & the chain . Everything else should be fine as it is. You won't get any joy using 8 spd shifters with a 9 spd cassette.
05-07-05, 05:28 AM
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Originally Posted by ajst2duk
You will need to change the STI shifters unless you are using friction (non-indexed) shifters & the chain . Everything else should be fine as it is. You won't get any joy using 8 spd shifters with a 9 spd cassette.
05-07-05, 08:17 AM
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Originally Posted by BryanW
Yup, new shifters are on their way. But you reckon I'll be OK with my current chainrings?
05-07-05, 04:26 PM
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Change the rings if you want, but you don't have to
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