I have a Cannondale M300 with a 7-speed drivetrain. The parts are fairly worn and I am considering converting to a 9-speed as 7-speed components are getting harder to find.
What parts do I need to consider to replace the drive-train?
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What brand components are on it now?– M. ConverseCommented Aug 25, 2010 at 22:37
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Currently STX-RC.– futuraCommented Aug 25, 2010 at 23:00
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2 Answers
Without knowing the specifics of your setup, you may need to replace:
- Chain
- Front Shifter
- Rear Derailleur
- Cassette Hub
- Cassette
You may also have to change your dropout spacing, and may need to re-dish the wheel to maintain proper alignment.
answered Aug 25, 2010 at 22:57
Been a long time since I did my 7 - 9 conversion but I believe I needed:
- new cassette
- shifter for rear
- new cassette mount thing (not the hub but I'm blanking on the name)
You may also need a new front shifter since a 9 speed chain is thinner but I managed to make both front and rear work just fine. I squeezed the front one down a bit to make it a bit narrower. Been using mine for 7 years or so now.
answered Aug 25, 2010 at 22:36
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