All Questions
Tagged with derailleur shifter
96
questions
27
votes
6
answers
25k
views
Why has indexed shifting displaced traditional friction shifting?
I really don't like indexed shifters, at least on the front. They're harder to adjust, more sensitive to cable stretching, and limit the number of gear combinations you can use (because you can't ...
- 1,316
15
votes
6
answers
80k
views
Bike is shifting on its own
Ever since I got my bike (Surly Long Haul Trucker), it has been prone to shifting on its own. This is almost guaranteed to happen when I stand up on the pedals, and happens regularly when sitting as ...
- 910
8
votes
1
answer
498
views
Can any front shifter be used for 3 x 9?
I want to buy a new front shifter for my 3x9 speed MTB. The XTR M970 shifter is rare and expensive. Can I just use the front shifter from a 2/3 x 10 system? e.g. Shimano XTR M980 ? Are Shimano front ...
- 81
7
votes
4
answers
374
views
Electronic shifters
I have been reading alot about the electronic shifters that are out now, specifically the ones on TREK bikes. I was wondering if they are worth the price, and more importantly how do they perform.
- 71
7
votes
3
answers
676
views
Are there any electronic shifters that decide front/back for you?
Are there any road bike electronic shifting systems out there currently that only have a single up and down shifter lever and use a computer to make the decision of whether to shift on the rear ...
- 83
6
votes
2
answers
869
views
Order of setting up new shifting system
I'm getting close to being finished with my Trek 520 frame-up build (with custom drivetrain). The only thing that remains is cabling the front and rear derailleurs, setting the limit screws and ...
- 193
6
votes
1
answer
931
views
Shifter cable broke in the shifter and now the end is stuck in the shifter
So The end of my rear derailleur shifter cable is stuck in the shifter. Is it even possible to get out? See the picture below. Shifting up and down doesn't really do anything to its position.
Edit: I ...
- 63
6
votes
1
answer
1k
views
Can't shift into lowest gear on a new road bike (pics)
I've followed the Park Tools Rear Derailleur adjustment video exactly, step by step, because my bike was jumping gears after I reinstalled the rear wheel after changing the tube.
The bike however won'...
- 163
5
votes
2
answers
4k
views
How to adjust cable length on integrated brake/shift levers, when there is no barrel adjuster?
I feel bad asking this question because I've been doing bicycle maintenance for over 20 years and this seems like a noob question. I was unable to find a Shimano manual to answer this question. I ...
- 1,471
5
votes
1
answer
2k
views
Rear derailleur compatibility for friction shifting
I have a mid-1980s road bike with downtube friction shifters. I'd like to install a freewheel with a larger cog (something like 32 or 34T), but my current rear derailleur won't accommodate that. So I'...
- 153
5
votes
2
answers
13k
views
upgrading an old bike gears and shifter
I don't have a whole lot of knowledge on this, but here goes. I have an old Murray Ultra mountain bike (prob. 15 yrs.+). It is a 15 speed bike, with a 5 speed freewheel. The whole Shimano system is ...
- 73
5
votes
3
answers
6k
views
How do I tune up the shifters/derailleurs on my mountain bike?
I have a Diamondback mountain bike with Shimano shifters that I bought used last summer, and over time the shifting has gone out of whack. For example, on the front wheel I can't shift into the ...
- 151
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
5
votes
1
answer
6k
views
Replaced Shimano Bottom Bracket, now front derailleur won't shift to largest gear
OK, so in my quest to get my old Trek 7000 ZX MTB running again after a long retirement, I am having an issue with replacing the bottom bracket.
The bike came with a Shimano LP25 that is marked BC 1....
- 53
4
votes
2
answers
2k
views
Friction-shift (rear) always changing up the gears
I have an old french touring bike (from the 70s or 80s) with downtube friction shifters.
I recently had it serviced, and ever since there's been a constant pressure on the rear gears which means they ...
- 510