Gears in the drivetrain of a bike.
3
votes
1answer
188 views
Should I have a spare cassette or a spare wheel?
I have a road bike that I use for triathlons as well as club rides in the evenings and on weekends. I don't have the bike in front of me, but the range of the cassette is on the low side. I'm more ...
3
votes
1answer
356 views
What does double and triple gear shifters mean?
I am looking at these components and am wondering what does double and triple gear shifting mean?
Shimano R221 Double Gear Shifters 8 Speed
...
2
votes
3answers
219 views
Does never using the easy front gear give a better workout?
I have a road bike with a 52/36 crankset. I make it a point to never use the easy gear because I think that it gives me a better workout when climbing hills. Another reason I don't use it is because ...
2
votes
3answers
1k views
Gear indicator on SRAM X5 Shifter shows wrong gear
I have SRAM X5 Shifters like this one:
The indicator is now showing the gear above the one I'm actually in, so if like the picture it shows a 2 I would actually be in 1 (the smallest chainring), a ...
2
votes
2answers
266 views
Has bicycle gearing become 'easier' over the last few decades?
If you look at a 10-12 speed bicycle from the days before indexed gears you have a 27"/700c wheel with a 42/52 chainset and a 14-28 freewheel. At the time such a setup was standard for High Street ...
2
votes
2answers
91 views
Does new chainring require change of other parts?
I'm thinking about changing my 2nd chanring to a smaller one (2 chanring setup). I hear most people recommend to change the chain when changing the cassette.
Hence my question: should I expect to ...
2
votes
1answer
160 views
Can I add gears on a bmx?
Just asking if it is possible.
My friend added gears, but won't it damage the look or my cycle?
2
votes
2answers
2k 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 ...
2
votes
2answers
322 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, ...
2
votes
2answers
1k views
Rear wheel not centred, presses against one of the brake pads (Rohloff hub, Magura rim brakes)
Upon replacing my rear brake pads, I noticed that my rear wheel is not properly centered.
The consequence is that the wheel is pressed against one of the brake pads, as can be seen in the pictures ...
2
votes
3answers
526 views
How much faster can i go after moving from 2x10 to a 3x10 gear setup?
My 26" mountain bike currently has a 2x10 gear setup with SRAM components: a SRAM S-1250 crank with 38/24 chainrings, and a SRAM PG-1030, 10-speed, 11-36t cassette. I feel that when riding on ...
2
votes
1answer
175 views
Problems with gears after re-attaching front chainring
I had to remove the pedal crank arm together with the front chain set when fixing a bottom bracket problem, but now that I've re-attached it, gear changes in my front derailleur are completely off.
...
2
votes
2answers
412 views
Converting downstem shifters to barcons
What considerations should be made for converting a downstem shifting system to barcons? Both the current system and the system that I would like are friction shifters.
The bike is a 1986 Peugeot ...
2
votes
2answers
487 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
1answer
958 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, ...
2
votes
0answers
24 views
Raleigh AT20 series bottom bracket affects derailleur
I took out the bottom bracket to clean it etc taking off the pedal shafts etc - and when it came to putting it back - the front derailleur was well out of adjustment - Have I done something wrong>- ...
1
vote
3answers
115 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 ...
1
vote
3answers
630 views
Efficient gear shifting
I've recent purchased a road bike bit of a classic with the downtube shifters, lugged steel frame etc etc.
Before I mainly road my fixie, thou I do have another geared bike, but it left a bit to ...
1
vote
3answers
6k 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 ...
1
vote
3answers
160 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 ...
1
vote
1answer
423 views
Mixing 9-speed Tiagra and 9-speed Deore XT
I currently have a road bike with the following setup for the gears:
9-speed Tiagra front and rear derailleurs, Sora shifters, all from 2009:
30/39/52 Crankset
11-25 Cassette.
I need some more low ...
1
vote
2answers
322 views
SRAM force rear shifts go in the wrong direction when on largest cassette
I got a new bike about 6 months ago with SRAM Force on it. It's my first time riding SRAM and I love it except for one thing:
If I'm climbing and my RD is shifted all the way up ( to 28-tooth ) and ...
1
vote
1answer
173 views
Bicycle is Having a hard time Shifting — especially gears 13 and 14
21 speed commuter bike. Raleigh 2011 brand.
After my gear shifter cable was broken, I took it into the shop to get it fixed. (4 days ago). Ever since, when shifting, it takes forever to actually ...
1
vote
2answers
548 views
Chain “vibrates” on higher gears
My freewheel that I have installed myself only 1.5 years ago has totally worn out by the moment and so I just had it replaced along with a chain at the workshop. I'm still concerned though about the ...
1
vote
2answers
3k views
Will a 9 speed front derailleur work properly with a 10 speed sprocket?
I am pretty near done my current bike build project, just missing a front derailleur. I can't think of why front derailleurs would need to be compatible with different numbers of speeds, given that ...
1
vote
1answer
541 views
Bicycle slipping gears on middle sprocket gears 4-7
I see lots of questions on gears slipping but not sure it's the same as what I have. Out of 21 gears I only have problems with 4 (middle sprocket (2) on left shifter gears (4-7) on right shifter). ...
1
vote
2answers
4k views
Difference between Shimano HG51 8-Speed Cassette and Shimano HG50 8-Speed Cassette
Can anyone tell me the difference between Shimano HG51 and HG50 8-Speed Cassettes?
I can't find any information online about this so was hoping someone might be able to help me.
I am looking to ...
1
vote
2answers
214 views
Speed and the sizes of tires/gears
Does the speed of a normal mountain bike vary according to the diameter of the wheels? If it does, will a larger diameter increase the speed or decrease it?
Similarly, if the speed varies according ...
1
vote
2answers
5k 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 ...
1
vote
1answer
932 views
How do I adjust my 7-speed Shimano SIS indexed shifter not to miss out one of the cogs?
I have a 7-speed indexed twist-grip gear-shifter, but it was set up incorrectly: it has eight positions, the fourth is where the numbers start showing, and while it hits the top and bottom gears, it ...
1
vote
2answers
662 views
Replace S-RAM S7 gear hub with something better
I have an SRAM S7 gear on my bike, and I'm not content with it. I find it more or less impossible to get the adjustment right. Supposedly I just have to leave the shifter in position 7 and then ...
1
vote
1answer
380 views
Convert 9 speeed Campagnolo Ergo Levers to 10 Speed
A friend gave me a carbon set of campag record 9 speed ergos. I would love to convert the 9 to 10 Speed and I understand it is possible. I have read that some dealers will do it but the cost is ...
1
vote
0answers
38 views
Direct Mount with top and bottom swing?
I want to buy a new frame that supports Direct Mount. Now I read that Bottom Swing is preferable for hardtails. At the same time, it was also mentioned that Bottom Swing is mounted higher onto the ...
0
votes
2answers
197 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 ...
0
votes
2answers
2k views
Will 10 speed cranks work with an 8 speed freewheel?
I'm looking at building a road-bike, and I've just purchased some wheels with campagnolo hubs, with an 8 speed freewheel on the back.
Can I use Campagnolo Daytona / Veloce cranks on the front? I ...
0
votes
1answer
186 views
Are faceplates for different shimano brifters compatible?
I got a used brifter and the faceplate fell off. I am pretty sure it was a 105. It works well enough but it looks shitty.
Does anyone know if I can just order whichever shimano brifter faceplate, and ...
0
votes
1answer
462 views
swap Shimano Alivio gear indicator for cover plate
I want to move my brake levers and gear shifters around a bit. The problem is my gears (Shimano Alivio, bought 4 years ago) have a large gear indicator on it. This is meaning that either the brakes ...
0
votes
0answers
37 views
Can I use my old wheel for my trainer [duplicate]
My bike has a 8 speed Shimano cassette and I've been using this wheel on my trainer over the winter with a training specific tire on it (so as not to wear out my street tires). Since spring is coming ...
