I think the twist shifter on my £180 Carrera Subway 1 has gone, or rather the cable inside it has perhaps worn out. I noticed that it seemed like the gears needed adjusting on the commute today, but trying to adjust them this evening eventually resulted in something seeming to 'go'.
The cable looks fine all the way from where it comes out of the shifter to the derailleur, so I think the problem must be inside the shifter itself. It's labeled SRAM 3.0 comp, ,manual here:
www.sram.com/en/service/sram/tech_manuals_2004.php
I don't know if this is a typical shifter, but is it likely to be easy to fix? Looking at the manual it looks like the sort of thing I might be able to work out eventually, but not without difficulty I suspect. I've replaced brake cables before, but nothing much more complicated than that.
Anyone had experience with these or similar?
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Bike - twist shifter repair new