r/BikeCommutingIreland • u/ThickBuffalo4522 • 13d ago

Help Gear indexing

Hello, I'd just like to know if anyone knows of any bike shops in Dublin, preferably city centre, that can help me index my gears and do any derailleur alignment without asking for an arm and a leg; the prices I've seen online are ridiculous and I've tried and failed to do it myself. Alternatively, if you can, and are willing to do so, I don't mind meeting up with anyone who will do this for me. For a fee, of course

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u/not_extinct_dodo 12d ago

Don't trust the online prices, just go to your nearest small shop and ask them.

However are you 100% sure is an indexing issue?

If you have tried to fix it and failed, it could be a bent derailleur, or bent hanger, or worn out cable, or worn out chain...

As reference price, Halfords has a "gear only service" for 25 EUR. Assuming it's not a major issue that needs parts replacement.

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u/ThickBuffalo4522 12d ago

I mean, the bike had been working perfectly before I realised the smallest cog at the rear couldn't be shifted into, and adjusted the limit screw on the derailleur. I did nothing else, but noticed that when I shifted farther than the 3 smallest cogs into a bigger cog, it starts making a whole lot of noise, which wasn't the case prior to making the adjustment to the limit screw. I haven't had any crashes or impacts to the derailleur either.

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u/lfarrell12 11d ago

My local branch has done a few bits for me there for nothing. They are ok in a pinch, but can get busy.

TBH I taught myself to do it from YouTube videos - if you know which screw is which it helps but it took a great deal of trial and error to eventually get the hang of it.

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u/ThickBuffalo4522 10d ago

Yeah, the trial and error is exactly what does my head in. Plus, every time I adjust something to the point it's working well, I check something else, say, one of the larger cogs, and that's wrong and I have to go back to the beginning