All Questions
75 questions
7
votes
3
answers
1k
views
Why does my shifter say the wrong gear?
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 ...
- 233
1
vote
1
answer
207
views
pedals only move bike at highest gear
Recently my bike will only move if I’m in the highest gear. I can pedal at lower gears but it will not move my bike forward at any reasonable speed and when I get up to even a very low speed the ...
- 11
5
votes
1
answer
106
views
Bike cable tension not consistent when shifting up as compared to down
I'm trying to fix an issue on a (somewhat cheap) newer bike and it's giving me a bit of a run around.
The issue is that when shifting up and down, the alignment is off.
Normally, I could easily fix ...
- 51
-1
votes
2
answers
288
views
Broken gear shifter case. Is it safe to use?
My campag gear shifter is cracked in the plastic. I realised this when changing bar tape.
It works perfectly and may be from a crash a few years ago.
Is it still safe to use?
Thanks for all opinions
...
- 1
2
votes
2
answers
1k
views
Shimano 105 - Shifter Internal Lever Broken
I've managed to snap an internal lever (it looks similar to the one on the right side in the pic) in my Shimano 105 (11-speed) right shift - think I just pushed it too far over and it snapped. I can't ...
- 21
2
votes
1
answer
264
views
Shimano 7 speed shifter with 9 speed drivetrain
Can I use a Shimano Alivio 7 speed shifter with Shimano Deore 9 speed drivetrain? Basically the bike originally came with everything being set up for 7 speed. Somebody switched out my tire/rim and ...
- 21
4
votes
2
answers
945
views
combining technologies and speeds: shifter and rear derailleur (index, friction)
is it possible to combine an indexed shifter with old friction derailleurs?
As the cable is moved by the shifter, I understand that derailleurs should work by default and by moved with mm that the ...
- 376
7
votes
3
answers
698
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
1
vote
1
answer
56
views
front gear shifter cable sleeve, shifter to frame needs replacing, the old wire rusted inside
bought this bike 2nd hand from charity shop,
front gear shifter was sticky and wouldn't shift to 3 [3+8 setup] as was already at 3. [streached?]
''bloke who brought it in said it just needs oiling'',
...
- 11
2
votes
2
answers
862
views
Friction shifters keep sliding into high gear
Recently, one of my friction shifters (the one on the right side of the bike) has been sliding into the highest gear. I can access the lower gears if I hold it in place while biking. I'm wondering if ...
- 21
1
vote
1
answer
107
views
My bike is not shifting to the proper gear
So I have a Shimano derailleur and it shifts up decent only problem is it does not shift to the gear it's supposed to shift to. On my bars it will say I'm in gear 5 for example but the back of my bike ...
- 11
0
votes
2
answers
2k
views
Shimano new shifters needed to replace 105 10speeds
My right shifter has completely broken and I need to buy new shifters.
The current setup is a 10-speed system using 105's. I appreciate that the new 105's come in an 11-speed option only.
The ...
- 1
4
votes
4
answers
1k
views
Broken Sturmey-Archer dual cable 5-speed shifter
I have this Sturmey-Archer shifter which controls a hub with 5 speeds with cables on both sides of the hub. These 5 speed with 2 cable shifters are very hard to find and my shifter broke as the ...
3
votes
3
answers
6k
views
Need help understanding my grip shifters on my handle bar
I am new to mountain bikes and recently bought the Apollo Phaze bike. I was wondering if anyone can help me understand the functions of these gears and when to shift them. For example, when commuting ...
- 141
0
votes
1
answer
374
views
Best solution for 2x8 index shifting [closed]
I've been riding a pretty well-tuned frankenbike (I call it the argos, I've had it for 15 years) set up with claris 2x8 shifters (r2400) and dura ace (7700) derailleur on the back with an old ultegra ...
- 11
1
vote
1
answer
198
views
Different Derailleurs with different shifters
I want to install hydraulic disk brakes on my bicycle, however I also need shifters as shifters and brakes are integrated on my bike.
I have 3 speed tourney FD TY 500 triple in front and Altus MD310 ...
2
votes
2
answers
2k
views
Suntour derailleur compatibility with shimano shifter
I bought today a bike with a Suntour rear derailleur (XR 150 8 speed) for my daughter. It has old rotating shifters I with to replace with triggers.
Will a shimano 8 speed (e.g. Altus/Acera) fit this ...
- 734
1
vote
3
answers
3k
views
Shimano shifter neither reaching top nor bottom gear
So, I have the Shimano shifter, depicted below that selects from the 7 rear-wheel sprockets.
To my surprise it no longer reaches highest nor lowest gear.
At first I thought the cable could have lost ...
- 327
0
votes
1
answer
511
views
Hey my right gripshift won't turn, need help
My mongoose bikes right shifter won't shift, it's too hard or stiff and the wire that connects to the gripshift is loose which isn't normal because the left shifter is in place and not loose and works....
1
vote
1
answer
89
views
Rear cassette shifting
I replaced my free hub body due to pedal slippage. I also replaced rear cassette and chain for regular maintenance. Since then the problem started and I replaced shifter and cables as well as rear ...
0
votes
1
answer
183
views
Shimano Altus 9x3 speed shifter leaver is soft
I’m having trouble with my rear shifter lever. When I go to push the lever in to go through the gears it’s just soft and doesn’t go back to its original position.
Any ideas what’s this could be and ...
- 1
1
vote
1
answer
155
views
First shift up after shifting down only moves as I'm releasing the lever not on both the click in and click out of the lever like the consecutive ones
Video of Issue: https://i.sstatic.net/aGJOk.jpg
I have just been given my dad's old bike and was looking at fixing it up. However, it has a shifting problem where it shifts down the gears perfectly ...
- 111
0
votes
2
answers
330
views
Front derailleur not shifting up
I have a road bike with shimano front derailleur and dropped shifter. For weeks my front derailleur has been very stiff, requiring much force on the shifter to go onto the bigger ring, so the other ...
- 121
2
votes
1
answer
1k
views
Sram trigger shifters for flat bars
I have a Kona Rove ST (specifications here).
I'd like to change the drop bars by flat bars (it will be better for the travelling I'm planning, but that's not the point). But I don't know what ...
- 195
3
votes
2
answers
660
views
Replace gear shifter with one with gear number display
My current back gear has a shifter without a gear number display, with only the + and - signs on the ends.
I was thinking to replace it with a numbered one. Would using a numbered one cause any ...
- 131
7
votes
6
answers
1k
views
How to create a bicycle that rolls backwards when you pedal forward?
This may seem like a crazy question, but I am currently trying to design a kinetic machine where pilots are facing away from the direction of motion, adding whimsy and curiosity. As someone who doesn’...
-1
votes
4
answers
2k
views
Is not changing/shifting gears much bad when riding around?
I usually would set the gear to one level and leave it at that if I felt comfortable -- however, I just heard of someone changing gears on stops and whatnot to help with the initial inertia from full ...
1
vote
0
answers
111
views
Should I replace with 8sp or upgrade to 9 speed? Or 10 speed? [closed]
The original shifters that came with my 2001 Kona Blast MTB is gone. Also, the cassette and chain are long over due for replacement.
Hence, was think of dropping the 8 speed (3×8) altogether for the ...
- 303
10
votes
8
answers
61k
views
Shimano Revoshift twist grip unusably tight
Shimano twist grip shifter on Apollo Neo 6 girls bike. I bought this bike 6 months ago for my 7 year old.
After getting it serviced at 99 Bikes the shifter was so stiff my daughter couldn’t change ...
- 101
0
votes
1
answer
85
views
How can non index shifters be limited to a specific range of gears?
Searching on eBay, I find shimano SL-MY34s. Description says that they should only be used with 5/6/7 gears. What limits them to this range?
- 1,445
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 ...
- 113
0
votes
2
answers
277
views
What's wrong with my gear shifter?
The mechanism inside one of my gear shifters is a bit skewiff and I can't lock the cover on properly. Any idea what the problem is? Pictures of the dodgy one and the ok one for comparison with the ...
- 1
3
votes
3
answers
159
views
RB not ridden in 4 years unable to shift gear
After a bit of advice. I recently dusted down my Carrera after a 4 year stint in the shed. Knowing that it had a few issues I dropped it in to my local Halfords store. It required a few things mending ...
- 31
6
votes
1
answer
6k
views
Downtube shifters won't stay in low gear on rear derailleur
I've finished a bike restoration today and it's my first time using downtube shifters. They work and will span the full range of gears but won't stay in the big cog on the back for long, the shifter ...
3
votes
2
answers
354
views
Hot water to unjam trigger shifter
Can I use hot water to unjam my Shimano trigger shifters? Has anyone had any experience with this?
- 35
3
votes
3
answers
58k
views
All gears shift smoothly, but won’t shift into 1st gear/large cog. Help?
So I was tuning my newly acquired bike today and working with all 8 gears on the rear derailleur. I managed to properly set the high limit screw as well as cable tension so all gears shift smoothly ...
- 81
3
votes
1
answer
2k
views
Front gear issues with middle ring (not always making it over)
I've been trying to straighten out some shifting issues on a kid's bike, it's a Diamondback and is a few years old. On the front gear-set it has a few issues that I am having trouble fixing through l ...
11
votes
5
answers
12k
views
My bike goes up one gear at a time, but down two: is this normal?
Just over a year ago I bought a new bike (a Giant Escape 3) with a trigger gear system - my previous one had a grip-twist to change gears.
After riding and experimenting for a while, I was able to ...
- 691
0
votes
2
answers
104
views
Issue with the gears? [duplicate]
My cycle seems to have this problem, that whenever I change the gear it starts changing from the second sprocket.
Whenever I start from gear one it starts from the second biggest sprocket, though it ...
- 51
1
vote
2
answers
6k
views
front gear shifters not working
I made some adjustments to the front derailer on my road bike as when I was in the big front gear and smallest low gear the chain was rubbing on the front derailer outer edge.
I followed guides on ...
- 21
6
votes
3
answers
5k
views
Are my gears setup backwards?
I have a trike with Shimano shifters. There are 3 gears in the front and 8 gears in the back. Gears are changed by rotating wheels found on each handlebar. The gear shifters have a window telling me ...
- 433
0
votes
1
answer
71
views
Can't press shifters (stuck) [closed]
My rear shifter says the chain is on gear 4, but actually it is on gear 7. When I try to swap the gear, I just can't press/pull the lever: it's stuck. The 2nd problem I have is that when I'm riding my ...
4
votes
3
answers
19k
views
SRAM X01 Eagle (12speed) in 11speed transmission: it work?
Well, I intend to use an SRAM X01 Eagle (12speed) rear derailleur in a 1x11 transmission (with a SRAM X01 "non-Eagle" 11speed trigger, cassette SunRace 11s 11-46, SRAM PC XX1 chain).
Will it work ...
- 153
1
vote
1
answer
931
views
Shimano Integrated ST-EF51 Shifter and Brake Lever
I have: Shimano Integrated ST-EF51 Shifter and Brake Lever (7-speed), on my stock Marlin 5. I'm having trouble shifting with the cassette (back Wheel gears). It seems I'm skipping a gear from 7 to 6,...
- 11
1
vote
2
answers
4k
views
Can I attach SRAM trigger shifters to a 31.8mm braze on adapter?
I noticed that Paul's Components make an adapter that enables SRAM shifters to be mounted to a road bar by exploiting the Matchmaker system. I live in England so anything from Paul's is très expensive,...
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 ...
- 131
5
votes
2
answers
924
views
Can old, stiff friction shifters be made serviceable?
I've got a few friction shifters knocking around but all seem so rough as to be impossible to use on a bike. Are they meant to be like that or can a service be done on them to get good use out of them?...
- 465
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 ...
4
votes
3
answers
15k
views
rear shifter lever gets stuck when shifting gears
All the shifting was working smoothly until my bike fell off to the ground (edit1: to my right side hitting the right side of the bike) with me couple days back. Now after about a week when I took my ...
- 247
3
votes
1
answer
1k
views
Campagnolo Cambio Corsa primitive derailleur -- can it be recreated?
Does anyone make this sort of system and sell it today, or is my only option looking for someone selling theirs? I've googled whether similar systems are being made today but found nothing to my ...
- 593