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08-11-11, 01:15 PM
Hi everyone,
I have a GT ZuM that I have ridden with no problems for more than 9 months. However, recently the three highest gears(lowest speeds) (this bike has 8 gears) have made lots of noise, especially the highest gear (lowest speed), which doesn't work anymore. The lower 5 gears all work very well with no noise. Anyone know why? Any help would be greatly appreciated. Thanks :)
I have a GT ZuM that I have ridden with no problems for more than 9 months. However, recently the three highest gears(lowest speeds) (this bike has 8 gears) have made lots of noise, especially the highest gear (lowest speed), which doesn't work anymore. The lower 5 gears all work very well with no noise. Anyone know why? Any help would be greatly appreciated. Thanks :)