All Questions
26 questions
1
vote
2
answers
55
views
Cannot remove gears/cassette from axle (hub motor)
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 ...
21
votes
7
answers
6k
views
14 "Trashed" bikes acquired for free. Worth repairing and reselling? What do I look for?
Very new to this, bike repair specifically. I tried my best with the tags. I'm mechanically inclined, like to tinker, and have many tools (not bike specific). Learning and time aren't really an issue. ...
2
votes
1
answer
106
views
A clicking every couple of pedal turns (video included)
I have been using a hybrid trek for a couple of weeks.
The bike is still very new with only around 150 miles done.
This morning on a ride it kept clicking every few pedal turns.
I cut the ride ...
3
votes
1
answer
590
views
How can I get a snapped gear cable out of my Shimano brifter?
Shimano's brifters that route the cables under the bar tape make the gear cable turn through a tight corner to get into that routing. This seems to weaken the cables and, if they're not replaced in ...
1
vote
2
answers
4k
views
Will any Shimano mountain bike shift cable set work with any Shimano mountain bike derailleurs and shifters?
(Forgive me if this question has been asked before - but I don't know if I'm searching with the correct keywords to find the answer...)
My rear derailleur cable is stuck hard into the side of its ...
4
votes
1
answer
627
views
Handlebar stolen along with gear shifter and brake triggers. What to do how much am i looking to spend?
So live in Redfern, Sydney, Australia. I keep my bike at my dad's and he asked me to lock my bike near the police station for a while because he was fixing up his apartment. This was before I left on ...
1
vote
1
answer
6k
views
How to reduce pedaling resistance
I brought my hybrid bike to Evans Cycles recently to get the rear gear mech replaced after I broke it.
When I got the bike back, it was significantly harder to pedal. I tried moving my gears lower ...
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 ...
1
vote
2
answers
3k
views
Bike keeps suddenly changes gears w/o me shifting
I've noticed that there are times that my bike suddenly changes gears, without me touching the shifters. It usually happens when I'm on a hard gear and I suddenly power out of a full stop, it pops ...
1
vote
2
answers
142
views
Shifting Problems
I have a bicycle by the name of "Indarciclo" that I purchased for $20. It has worked excellently for the last 2 years until now. It has 7 speeds, with a under-the-bar shifter. Now, for some reason it ...
1
vote
1
answer
311
views
MTB gear xx1 repairable?
I have an XX1 cassette, and broke the cog with 24 teeth, is this replaceable or repairable?
1
vote
1
answer
1k
views
When I shift to the smallest cog, it's suddenly too loose
The other day I was riding with the chain on the smallest cog in the back (and the middle chainring in the front) and suddenly something felt like it slipped and the chain was suddenly way too loose. ...
1
vote
1
answer
888
views
24 gear SRAM shifters- PROBLEM
So recently i bought a carrera vengeance for £45 which is a bargain and the only problem was the gears(24 gear SRAM shifters) for the left side. When i got it i tried to shift but it just clicks and ...
2
votes
1
answer
759
views
Separating the gear hanger from the derailleur
I am trying to exchange my rear derailleur. Now I have the problem of detaching it from the hanger, as you can see in the attached image, I was able to detach the gear hanger from the frame, but I ...
6
votes
1
answer
453
views
What is the name of this type of bolt for the front crank on my bike?
I recently had to take the front gear off of my bike and had some difficulty undoing the bolts. Because of their poor condition, I have decided to replace them. However, I have no idea what they are ...
3
votes
2
answers
2k
views
Shimano Claris shifter double/triple shifting up (when moving to smaller, harder cogs) on the rear derailleur
Although my rear derailleur is properly indexed it's suddenly started to double or even triple shift on an upshift - i.e. when moving to harder, smaller cogs on the cassette.
This happens whether I'm ...
0
votes
1
answer
245
views
How to fix gears on a Kilimanjaro bike
I've just bought a Kilimanjaro bicycle for cheap. One reason it was cheap, I expect, was the gears system. It's only partly functional, and I don't understand why. I would go to the bike shop with it, ...
1
vote
2
answers
77
views
Restoring a 16"
This here is my 16" bike which I'm going to at least try restore. I've put some wider bars on it, fixed loose things etc. My friend removed the pedal back but I don't think he has put it back together ...
3
votes
3
answers
6k
views
Rear index shifting not staying in middle gears
I have replaced a chain (SRAM PC 830) and 7 speed freewheel (Shimano MF-HG37) on the back of my daily commuter bike about 300 miles/ 3 weeks ago with the same models. The old parts lasted me 4000 ...
1
vote
3
answers
568
views
Refitting Cable to Rear Derailleur
Whilst riding recently the cable slipped from the clamp on the rear derailleur.
I'm attempting to affect repairs by re-clamping the cable. However by pulling the cable tight I have lost the bottom 2 ...
2
votes
2
answers
3k
views
Maintenance/Upgrades for Gary Fisher Joshua MTB
Let me start from the beginning:
About three years ago, I broke my leg after buying a Gary Fisher Joshua MTB, when I was just getting into road and cross-country riding. I've only started riding ...
2
votes
3
answers
2k
views
Townie gearing suddenly too easy
So the rear wheel (26x2) on my Electra Townie 7d broke its axle, and I ended up replacing it with a new 26x1.5 wheel, that being what the LBS had in stock. The bike seems a bit faster, which is nice, ...
5
votes
4
answers
23k
views
Adivce on what to do next with crunching / slipping gears
About two weeks ago I took my bike to the local bike shop to get serviced. It was previously slipping gears under load and at the end I couldn't use the lowest gear going up hill it would just slip ...
2
votes
3
answers
30k
views
How to fix problem with mountain bike chain falling off gears?
The chain on my girlfriend's bike came off the front gear today, it looks like the back gear changing mechanism isn't handling back-pedaling properly, whenever she pedals backwards the chain slacks ...
2
votes
2
answers
20k
views
Shimano Revoshift repair
My bike has a grip shift (Shimano revoshift) which isn't shifting through all 8 gears. Even with the gear cable removed (it recently broke) it will only shift through half of the gear numbers and ...
2
votes
1
answer
4k
views
Shimano Nexus Inter-3 internal gear hub stuck in second gear?
The situation My Shimano Nexus Inter-3 internal gear hub is stuck in second gear (it's a 3-gear hub). When I take the external cable housing apart, I can move the pin that goes inside to change gears, ...