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Questions tagged [gears]

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Gears in the drivetrain of a bike.

752 questions
Newest Active Bountied Unanswered
3 votes
2 answers
1k views

I always think of indexing the rear dereilleur, (which I'm generally good at,) but I heard that there is more to it than just that. What else do I have to do if I want perfect shifting? Edit: ...
Klumpy7's user avatar
  • 41
4 votes
1 answer
298 views

I have a hybrid-style bike with Shimano components. The bottom bracket is a Shimano UN55. I briefly put in a different bottom bracket (of the same size specification) to see if a clicking noise was ...
Ceur's user avatar
  • 571
4 votes
1 answer
338 views

My cable housing for the rear shifter was broken, and every time I tried shifting, the housing would collapse instead of moving the cable and shift the gears. So, I changed the housing, but the gears ...
Oleg Efimov's user avatar
  • 81
2 votes
1 answer
329 views

Recently getting into bike repair/servicing, the last two bikes I've come across have 8 rear sprockets on the cassette but have come stock as 7-speed gears on the rear (it was a Norco and a Fuji bike ...
Fergus Barker's user avatar
  • 123
1 vote
1 answer
194 views

I recently acquired a cheap E-bike, which I have not yet used but had various issues trying to set it up. The latest thing, since the last time I looked at it about a week ago, is that the rear wheel ...
Ceur's user avatar
  • 571
0 votes
0 answers
66 views

I can't get either gears to work properly, with the rear I can't get them all to shift correctly no matter what I do. Either I get 3-8 gears or I get 1-6 gears. The front gears are a mess I can't get ...
Dylan Wright's user avatar
  • 1
5 votes
1 answer
229 views

So I recently bought a second hand refurbished bike at a bicycle repair shop (I'm in the Netherlands) and within two months the chain broke twice. I would like to know what is going on, how much I ...
AccidentalTaylorExpansion's user avatar
  • 153
12 votes
2 answers
2k views

On an older bike I had 21 gears with two blocks of chainrings (one at the pedals and one in the back). Currently I have 8 gears with a shimano system where the chain does not hop on different ...
fxm's user avatar
  • 231
9 votes
2 answers
2k views

Background: New chain, new bottom bracket, new front derailleur, new shifters, new brakes. This is a cheap Walmart Mongoose that I'm trying to keep riding and upgraded some of the components recently, ...
Jay's user avatar
  • 91
1 vote
2 answers
187 views

Cannot remove the cassette from the axle I have an e-bike with an 8FUN hub motor, I would now like to replace the cassette as the gears are quite worn. But I can't get them off. I have attached a ...
JavaMan's user avatar
  • 133
6 votes
4 answers
2k views

After staring at many a graph and crunching far too many numbers, I've concluded that a 2x, 24-38t chainring setup would provide the best gear ratios for me. I bike near the edge of a valley with ...
Peachy's user avatar
  • 976
3 votes
0 answers
65 views

Bought an old bike to get back on the road, all good until indexing the gears. It's twist shifts on the handle bars, 7 rear 3 front. I've replaced the gear cables, sheaths, chain and Shimano parts ...
Larry's user avatar
  • 31
7 votes
3 answers
2k views

I had a slow puncture in my rear tyre. I fixed it by flipping the bike upside down, removing the rear wheel, patching the inner tube and replacing the wheel. However, I seem to have caused a strange ...
SRJCoding's user avatar
  • 273
4 votes
5 answers
546 views

Just been out on a ride and beforehand it was shifting through all the gears fine but I think I hit a few bumps and heard some clunking and I could not shift into the two highest gears. I did just re-...
Cyclist AE's user avatar
  • 81
1 vote
1 answer
152 views

I am trying to take off the magnet light holder from my rear wheel and this spring popped out when removing the red plastic screw and now I can't fit it back in. What is it for? Gears are SRAM S7
bigboss's user avatar
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