Questions tagged [gears]
Gears in the drivetrain of a bike.
745 questions
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Front derailleur range suddenly has become very short
For a while when I was riding, there was a stiff feeling changing from medium to high on the crank. Yesterday it wouldn't change at all.
I checked the adjustment of the High and Low screws by ...
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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 ...
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Going from 7 Speed Cassette to 8 Speed Cassette
here is the situation – I have a quasi-vintage 7-speed bike that still has the original front and rear derailleur (Deore DX) in very good condition. I have recently took a wheel building class which, ...
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Pie plate cog on SRAM 2x
Okay guys, I'm trying to re-find fitness in my mid-40s.
My bike has a SRAM Apex (don't laugh, if it's good enough for Alberto Contador, it's good enough for me - and you!) 10-speed drivetrain with ...
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Lifespan chain and gear wheels on e-bike [closed]
If is possible to give an indication of the average lifespan of the chain and gear wheels of an E-bike?
Assuming: Cycling in all weather conditions (commute); Western European climate (10% of time ...
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Gearing preferences of men vs. women on road bikes
Is there evidence that men and women prefer the same or different gearing when riding a road bike? In other words, in the same conditions, would both men and women generally ride in the same gear or ...
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Replaced rear axle, now seems to wobble
I was replacing a tyre a couple of days ago, and noticed my rear axle had snapped.
So I replaced the axle, just a normal road 10mm x 145mm, it's a basic Shimano sprocket set and no-name aluminium ...
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Preventing use of low gears while training
I'd like to avoid using my two lowest gears while training for a hard and hilly cyclosportive. I am able to resist, but nevertheless do occasionally make a mistake. Is there anything I can do to ...
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How much of a difference would shifting from a (24/34/44, 14x28) to a (28/38/48, 11x34) configuration make when going downhill?
I currently have a Proton MTB with a 24/34/44 crankset and a 14-28 cassette. I have found the configuration to be lacking when going downhill: The front chain ring doesn't feel stiff enough on the ...
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Is it possible that the gears switched from left to right?
I'm 100% sure that my gear levers on the right side are for my front gears and the ones on the left side are for changing the rear gears.
After a muddy ride today it seemed that this changed. I was ...
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Levels of derailleurs, freewheels and chains
What are the levels of derailleurs (Shimano probably) I know Altus and Acera but don't know the higher end ones. I am putting this on my Sondors Fat ebike. I will be using a 7 speed freewheel, and a ...
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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 ...
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Need help to put gear shifter back together!
My daughter has Shimano SL TX30 gears on her bike....I think they might be Tourney, from searches I've done. The gears on the right handlebar has a button to go down gears. I stupidly took it off the ...
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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?
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Why does my chain slips when I put pressure on my pedals
When I get on my bike and put pressure on my pedals or stand up and pedal, my chain slips. I want to know what the problem is so I can fix it myself as I don’t have a lot of money for a bike shop to ...
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Halfway through changing rear gear out cable
I stupidly started changing the outer casing on my rear gear without having cable cutter ready. Suffice to say I've messed up the cut and now I can't get the gear cable though the outer casing. My ...
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What is the generic name for the gear shifter where you have one trigger for the up shift and another for down shift?
I recently bought a bike with new advanced gear shifters where you can shift easily as the shifter has a trigger for the up shift and downshift? I would like to replace the twist shifter in my old ...
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How can I tell number of speeds on my road bike? 9, 10, 11?
How can I tell how many speeds my road bike has? I have a Shimano Ultegra groupset. Thx
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Issue shifting from largest cog to second largest
Got a Canyon Spectral 3 weeks ago, have done around 2 hours riding on it and have noticed an issue with shifting from the largest cog to second largest. The drivetrain is SRAM NX 1x12.
There are two ...
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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 ...
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Converting Sram Force 1 to Sram Force 22
I am buying a Sram Force 1 groupset with a new bike and I cannot test it before buying. In the case I really dislike the gearing steps issues, how difficult/costly would it be to convert to Sram Force ...
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Defective gear shifting down
My mountain bicycle has 3 chainrings at the front and 7 cogs at the back, making it a 21 gears bike, which are shifted by a derailleur system.
Although it is 25 years old, everything seems to work ...
user39828
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Can I use Shimano's Di2 e-tube project software to do a custom lock out of additional small sprockets while in the small chainring?
Context: I'm designing a drivetrain for a touring triple-tandem that I'd like to have a very wide gear ratio.
I plan to use the Shimano Di2 derailleurs (long cage RD-M9050-SGS and 3x11 FD-M9050) to ...
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Inexpensive 1x10 gearing?
Can I use a single speed crank (like a Shimano Vee) paired with an 7 speed rear derailleur and 10 speed 12-32 rear cassette to make an inexpensive 1x10 gearing, for non-technical trail riding?
Is ...
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Rear derailleur hitting spokes in 4 largest cogs
I did a big mistake and bought a cheap bike for casual use. On my first ride I fell down on to the right side of the bike. I am not sure if it is this fall or just that the bike is poorly assembled ...
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Cross-chaining on a 3x6 system -- how bad for wear?
I keep an old 3x6-geared MTBSO near work, and the front shifter is currently broken (smashed plastic gripshift). It will be a few weeks before I can get it home to replace it with a spare, so I've ...
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10 gears to singlespeed
My second hand Hercules bicycle came with 10 gears. Two gears in the front and five in the back. The gearshift does not work well and since I cycle in the same gear all the time anyway, I consider ...
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Rear derailleur cage bigger than cassette necessity
I use a Shimano Ultegra 6600 rear derailleur with short cage in a 11/28 cassette. The derailleur is at the end of its useful life and would like to exchange for a cheaper one, since I intend to ...
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Chain get stuck on front sprocket during pedalling
When pedalling the chain sometimes get stuck on the front sprocket. This happened after I cleaned the gears and replaced the chain. What could cause this?
The purple line is the chain. The circles ...
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Tiagra rear derailleur and Deore crankset + derailleur compatibility
I want to buy this bike:
http://en.author.eu/adventure/gravel-bike/author-ronin-2018-ua42901301-1154
For most time, I will be fine with the lowest gear being 34x34. However, occasionally I would ...
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Is the second decimal important in the ring/cog ratio?
The ring of my single speed is starting to wear out now that I'm approaching the 10k km and I'm planning to do an upgrade.
Most of the crank sets that I find interesting only come in 48–51 teeth.
I'...
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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 ...
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What are all of the speed numbers for a bike?
If you are buying a bike, there are a lot of different speeds. Is there a complete list of speeds? I'm trying to create an array...
var allSpeeds = ["single-speed","3-speed","12-speed"];
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I can't shift gears
My friend gave me his bike because it was too small for him, I was new to biking so I didn't notice till now that T can't switch gears. My front derailleur is on middle gear out of 3 and the rear on ...
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Feeling of click/slip when pedalling
This is very hard to explain, but I will try my best.
I recently got a Shimano Ultegra cassette, crankset, front and back derailleurs, chain, and cables installed on my Giant TCX SLR1 2015 bike.
...
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Front derailleur cable suddenly very slack (no shifting), not sure what's caused it
I last rode the bike on Sunday. Throughout the ride I noticed the front shifter (grip friction shift, Shimano) was feeling "looser" than normal (hard to describe, it didn't feel "right" and seemed to ...
user38333
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New derailleur - shifts up smoothly, or down - but not both
I've just replaced the rear derailleur and cassette on my bike. I have Shimano Tiagra 9 speed shifters. The cassette is now a 9 speed 11-32 and the derailleur a Sora RD-R3000-GS.
I've set the limits ...
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Lost teeth on second ring?
I'm thinking of buying a second hand Shimano FC-TY30.
However, looking at the photo there seems to be either worn or chipped teeth on the second ring1.
Are they actually broken/chipped, or is that ...
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Would a IGH drive train last longer than a derailleur drive train?
Would a single sprocket + 8 speed chain + single chain wheel used in combination with a IGH last longer than a 10 speed cassette + 10 speed chain + 3x chain wheels?
Image I have 2 bicycles.
Bike 1 ...
user31142
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Gear shift wire on SRAM after an accident
Took a pretty good fall after narrowly avoiding being hit by a speeding driver in the middle of a two lane road.
Managed to get the chain assembly back together but can’t figure out where this wire ...
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How to compare an IGH (Shimano Alfine 11) with a 10 speed cassette and 3x chainwheel?
I'm try to compare the gear ratio of a IGH (Shimano Alfine 11) with a 10 speed cassette + 3 chainring setup.
I read Sheldon Brown's gain ratio definition.
I went to Sheldon Brown's gear ...
user31142
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How to change small chainring
I have a bike with a 46/36T crankset (FSA Gossamer Cross BB30) and I'd like to change the small chainring to an even smaller one.
Googling around suggests that the smallest chainring I can get for ...
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Best Way to Upgrade My Bike
About three months ago I bought a second hand bike for £70; to be honest it is reasonably good. Current setup for gears is a 2 x 18 (38-48 front, 13-28 rear).
As far as I can tell it's not a branded ...
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Will 2 x 10 speed front derailleur work with 11 speed set up?
Would an existing 2x10 front mech work with a new 11 speed rear set up? Using all Shimano SLX with 11 speed shifter, rear mech and chain. Front chain rings are 2 x SLX 38/28.
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Can a 21 speed Shimano Tourney groupset get converted into a 7-speed?
I currently ride a 3x7 Tourney bike, which I’ve upgraded moderately and it is riding nice. I’d like to know if I can somehow replace my 3-crankset for a simple one, and also get rid off the front ...
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Why won’t my gear change off of 5?
My bike is a pretty terrible mountain bike held together by duct tape and I just fixed an issue with the brakes rubbing on the wheel slowing it down. And now my gears stop working. No matter what I ...
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Ever heard of a snapped rear gear sprocket? [closed]
Has anyone come across a rear gear sprocket snapping before? A clean break straight across the diameter. Happened at bottom of hill but not excessive force by any means.
Not new but not terribly old ...
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Dual shift levers, old bike and indexed gears
Long story:
I once built a road bike for my wife over 30 years ago. It has Reynolds 531 tubing / 501 forks and alloy parts, so it is quite a decent build. However, my wife has been put off ...
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Rear derailleur moves to much for each click - tried everything
Two years ago I build a bike (flat bar) with SRAM 1x11. Around a month ago the rear-derailleur broke (guide pulley broke).
I bought a new rear derailleur: Shimano 105 RD-5800-GS.
After installation ...
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Help! Want to convert 8 speed Kona road bike to 1x drivetrain
I currently have a 2015 Kona Rove AL with Shimano Claris 8 speed drivetrain; running double FSA tempo chainset in front. This is the link to Kona’s specifications for the bike: http://2015.konaworld....
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