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5 votes
2 answers
19k views

How to maintain a Shimano Nexus gear hub?

I have a bicycle with Shimano hub gears (Nexus 7 speed). I would like to know what type of maintenance it needs, besides the normal tuning. I believe it needs some greasing, but I have no idea how to ...
nsn's user avatar
  • 593
0 votes
1 answer
875 views

Reinstall a Shimano nexus 7 wheel after puncture?

I took my back wheel off to fix the tube. When trying to put back together the "gear cassette" I was struggling, it just wouldn’t fit. I eventually checked a youtube video that explains how ...
Chiara's user avatar
  • 1
3 votes
2 answers
3k views

Dual shift levers, old bike and indexed gears

Long story:  I once built a road bike for my wife over 30 years ago. It has Reynolds 531 tubing / 501 forks and alloy parts, so it is quite a decent build. However, my wife has been put off ...
MiguelH's user avatar
  • 353
3 votes
1 answer
136 views

Gear shifting : new to cycling maintenance

I'm new to cycling. I have a Soma Saga with SRAM X7 derailleur and Apex shifters. I have ridden about 200 miles on it. When I'm cycling, sometimes my gears shift/jump to the next gear on their own. I ...
Gabriel Panduro Jr's user avatar
0 votes
1 answer
161 views

Shifter doesn't reach bigger gears

My gear shifters (c. 2000 Shimano XT) will not shift to the bigger cogs (higher cable tension). Pushing the shift lever doesn't move the indicator past about half way so I can't reach the big cog on ...
BruteForce's user avatar
3 votes
3 answers
5k views

Shimano Sora 9-speed shifters "missing a speed"

First time posting, hope I can get some suggestions on this weird issue I've noticed with my shifting. I have a fairly decent understanding of how to maintain gears myself, and have made quite a few ...
Peppers16's user avatar
2 votes
2 answers
2k views

problem in gear shifting

I'm using a 21 speed bicycle,the problem is I'm unable to shift the chain to the smallest derailleur(rear)...the shifters are thumb press type there's no problem in pressing the shifter...when ...
seshu's user avatar
  • 21
6 votes
2 answers
29k views

How do the adjustment barrels on a gear cable work?

I have a Shimano Sora derailleur on the bike I just bought with a triple chainring in the front. Right up by the shifters there is a sort of barrel adjuster on the cable. It doesn't seem to do ...
Andrew Brown's user avatar