All Questions
Tagged with derailleur shifting
57
questions
1
vote
3
answers
312
views
Shifting 1>2 does nothing, shifting 2>3 puts me into 2nd. What's wrong?
I'll be in first gear on my front derailleur, and shift up to 2nd. Nothing will happen at all. Then I'll shift up to 3rd, and I'll finally switch into second. 3rd gear is inaccessible.
What could be ...
- 141
6
votes
1
answer
7k
views
How to prevent shifting issues due to derailleur or cables freezing in cold weather
It's been fluctating in temperature between 0F and 20F in my area. I've been riding my 1x9 geared mountain bike to and from work. However, due to the cold weather, I'm having issues shifting.
It ...
- 18.3k
4
votes
5
answers
28k
views
Shimano 105 rear shifting issues
I'm disappointed with my new Cannondale and it's 105 group, I expected this to be a major upgrade from my previous trouble free bike with the bottom end group set. It's done about 500 miles, had new ...
- 41
2
votes
3
answers
4k
views
Rear shifting - Unable to shift to toughest gear
I was adjusting my rear shifting following the advice in this video:
It was when I took off the wire tension and screwed the high limit all the way out that the chain ...
- 123
14
votes
6
answers
6k
views
Mechanic says not to use top three/bottom two gears or the chain will throw
I just bought a BTwin Fit 5, all stock, fresh from the distributor, Decathlon. Took it for light pacing at the store and things seemed OK. About 100 metres out the door, I shift up to the top end of ...
1
vote
2
answers
4k
views
Upgrading rear derailer and cassette
I recently got what most people would consider a cheap and toy road bike as a gift. It came with very primitive RD and cassette (shimano SIS? I think). I enjoy upgrading my stuff, my question is, ...
- 65
11
votes
7
answers
61k
views
Rear derailleur shifting poorly, skipping gears
I've got a Shimano Sora on a 8-gear cassette, and have odd behavior and skipping, shifting under stress.
This started with a trip to the mechanic for a tune up which replaced the chain. I had some ...
- 113
5
votes
2
answers
3k
views
(Automatic Bike Project) amount of torque required to change gears?
I am planning to build an electronically controlled automatic bike transmission for my senior design project. I'm personally more of an electrical guy, so dealing with the mechanics is somewhat new to ...
- 153
2
votes
3
answers
14k
views
Gear up-shift not smooth
When I am pedaling hard and shift to a larger sprocket, the shift is not smooth or sometimes doesn't happen at all. Sometimes even double up-shifts don't work. There is no problem shifting when I test ...
- 139
37
votes
13
answers
24k
views
Is there such thing as an automatic transmission for bikes?
Has anyone ever designed or manufactured an automatic transmission (or automatic shifter?) for cycling?
I imagine such a device would automatically change the gearing to allow the rider to maintain ...
- 1,321
1
vote
2
answers
251
views
Unable to change from 14th to 7th
I've got a bike that I have had for about 8 weeks and it has already been back to be serviced twice. It's just returned from the second service and I've noticed that it is not shifting from 14th to ...
- 119
3
votes
3
answers
382
views
Gear shift adjustments
I recently had to replace the shifters on my bike. The replacement was easy enough, but now when I shift the derailleur either jumps too far or too short. I've tried using the adjustment screws on the ...
- 133