Sons bike is an oldish giant boulder with mid range shimano gear.It's no longer shifting up onto the big chain ring.Cables very tight and there doesn't seem to be any more movement on the front mech.It was working ok until last week.Any ideas please.
As it used to work but now (suddenly) doesn't, I'd be looking for mechanical damage. Has it had a knock? Is it parallel to the chain rings? Is the cable damaged? Perhaps frayed where it leaves the shifter.
Thank you all for your replies. It would appear one of his mates adjusted it for him at work.Adjusted it so much that the H screw was screwed right in.I have advised him accordingly
That's a common "Solution" applied by people who only have a scant knowledge of cycle mechanics. First sign of rough shifting start fiddling about with the stops, the very things that never need adjustment after the initial setting.
That's a common "Solution" applied by people who only have a scant knowledge of cycle mechanics. First sign of rough shifting start fiddling about with the stops, the very things that never need adjustment after the initial setting.
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