Questions tagged [gears]
Gears in the drivetrain of a bike.
745 questions
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Convert single speed, steel framed, vintage track bike to geared
Is there any way to convert a steel framed single speed vintage track bike to a geared bike? I have a track bike with only the rails for the wheel but I've moved out of the city and there are more ...
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Convert track bike to geared
Is there any way to convert a track bike to a geared bike? I have a track bike with only the rails for the wheel but I've moved out of the city and there are more hills where I am now living so would ...
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One of the cogs on my freewheel is bent and I have an assumption of how it happened
I was riding up a steep road when I shifted to a lower gear and I was pushing really hard on the pedals. Then I checked my freewheel, one the cogs was slightly bent I don't know if it got bent because ...
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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 ...
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11t-40t/42t cassette on 3x9 system
I need your help about gear ratio.
I am currently riding 3x9 drivetrain, Deore m592 rear (SGS-Shadow), Deore XT m770 front.
My gear ratio is:
11t-32t (rear) and
22t-34t-44t (front).
My local hills and ...
user53666
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Difference between a 7 speed chain and a 10 speed chain
I have already upgraded to a 10 speed casette from a 7 speed freewheel. I was wondering if a 10 speed chain is narrower than a 7 speed?
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Rear cassette replace 11-30 with 11-32, or 11-28?
I have an 11 speed 11-30 rear cassette that I would like to replace but cannot seem to find an 11-30 anywhere. Can I safely replace this with an 11-28 or an 11-32 without replacing my rear derailleur?...
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which motor is used to change gears in automatic gear shifting cycle now-a-days?
I am doing a project on automatic gear shifting. I need to choose which motor will be used to change the gear.
I have found a previous question on this topic. An answer mentioned:
If you used a ...
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Triple Chainset
Trying to replace my 52/42/32 front 21 speed chainset with same. The outer chain ring 104bcd 52t would also be OK. Unable to find. This is for an English trike.
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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 ...
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9-32T vs 9-42/6T 9 Speed Cogs
Been wondering what benefits and advantages do people get when changing cogs.
Does increasing or decreasing the gear tooth affect or increase your speed? TYIA For the answers. How would this affect my ...
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Chain slipping on smallest cogs (bigger chainring, new chain)
I recently switched my SRAM 1x12 Eagle SX drivetrain from a 30 to 34 direct mount Chainring. I also bought a new chain to accompany with it. Chain length was measured as the sram service manual ...
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I'd like to be able to climb hills better: is it an option to increase the diameters of the largest gears on rear cassette?
I'm a beginner cyclist and I'd like to be able to climb hills better.
Of course there are many approaches to this, including fitness and technique. I am trying those, but on top of that, I'm thinking ...
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How to reset my gears after the chain slips off?
I don’t know much about bikes so whenever my chain slips off I always just force it onto the cog I can get it on.
I think this has been messing my gears up because I’m having issues where Cycling in ...
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How can I lower the gear ratio on my son's bike?
I got a SH Commencal 24" MTB for my son. He loves it - except on climbing steep slopes where he runs out of steam.
It comes with a 7-speed 14-28T freewheel (Shimano MF TZ21) + Acera derailleur, ...
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Get a tougher gear on Shimano GRX, 11-34T, 2x11
I have a new 2021 Cube Nuroad Race gravel bike with Shimano GRX, 11-34T, 2x11.
I am used to riding a road bike, and find on the new one I don't need the easiest gears on the hills, but could use a ...
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Can l add more gears by replacting the cassette on my mountain bike?
I have a Giant Yukon with 8 speed. I want to know if l can change it to 10 or even 11 speed?
Is it possible to change the cassette on the rear wheel?
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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 ...
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Correct way to shift?
So I went to a bike shop to check out the options that I could buy and came across this board that has the gear using system explained for beginners (I guess?).
Is it not literally suggesting cross-...
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My bike's gears are very broken
So the first problem is with my front gear, which is stuck on the largest cog, and when i try to lower the front gear, the cable just gets looser and looser and nothing moves anywhere. If i move te ...
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How do I fix my front derailleur?
Complete cycling novice here so apologies if this is a stupid question. I went over a bump whilst cycling and knocked my chain off. I think in the process of trying to fix it I must’ve knocked the ...
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Custom/modified Drivetrain 2x/3x Considerations and Planning
Planning a drivetrain setup for a new bike:
Currently running old Shimano 3x9 44/32/22t on 11-34t, which gives me 19-115 gear-inches (about 620%).
I used 29x2.0, 170mm crank to calculate my current ...
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Can I swap my front 2x chainring on my MTB to a ~46T chainring?
The type of cycling I do means I'm never really presented with mega-steep climbs.
I used an online calculator and worked out I never really use gear ratios below about 39, which on my MTB at the ...
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Internal friction in new Alfine 11 S7001-11
I just bought a new rear wheel with an Alfine S7001-11 internal-gear hub. Before installing it, I realized that it apparently has heavy internal friction. When the wheel is set in motion, it comes to ...
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Bike temporarily feels like it switches into a lower gear when rapidly braking?
It’s hard to describe this, and I’m not sure whether there’s something wrong with my bike.
Say I’m cycling along a long straight in sixth gear. If I brake enough to slow down rapidly (like round a ...
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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 ...
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Last gear does not work
My bike has 12 gears on the rear wheel. When I put the last gear (12) it starts constantly changing from 12 to 11 gear without me doing anything. For example, I put the last gear and it works; right ...
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Shouldn't use two extreme gears?
I purchased a new Mountain bike a month ago and noticed after a week or so the gears were starting to slip, this was expected because of stretch in cables and wear in etc so I took it in for a tune up ...
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Can't get lowest gear and derailleur shifts on its own
I have a bike with downtube friction shifters and a 5 speed freewheel. When I bought the bike a while ago the shifters weren't connected so I did it myself. At this point it all worked fine. I took it ...
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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 ...
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Strida single speed - upgrade to 2-3 speeds possible?
Would it be possible to upgrade a single-speed Strida to 2-3 speeds?
I know there is a Strida model with 3 speeds but the frame is different with respect to the one of a single speed. In particular, ...
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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....
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Can I reorient my dérailleur so the top jockey doesn't hit the cassette?
I was running a RD-M7000 dérailleur on my Scott E-Genius 730 and I recently received some good advice here that the Deore RD-M6000 is a drop-in replacement. I have now purchased and fitted that, but ...
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Why can't I adjust my Shimano Nexus 8 gear?
I have an three year old Electra Townie 8i with the Shimano Nexus Inter 8 hub gear that needs to be adjusted. I followed the guide in this clip
and it was easy enough. ...
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MTB 1x vs 2x cross chaining [duplicate]
I've got a good deal and bought a new bike with full Shimano XT groupset and 2x Drivetrain which I am not fully satisfied with, it has 34/24 and 11-42 setup.
I would prefer 1x more but not going to ...
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Bottom jockey wheel on rear derailleur keeps skipping chain
Basically the angle between the bottom and top wheels is too great causing the chain to skip to the outside of the bottom wheel under force. If I use the higher adjustment screw on the shimano ...
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Resistance for different gear ratios
Why are some gear ratios more difficult to pedal than others on a bicycle.
It feels as though I’m missing some very simple piece of reasoning!
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Sturmey Archer three speed gear cable snapped quick fix?
I am buying a very old bike with a snapped gear cable on a three speed Sturmey Archer set up. Before I replace the cable etc. I was thinking of riding it around for a while in 2nd gear. Is there a way ...
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Gears playing up after a chain replacement [duplicate]
I had used my bike for about a year and thought it was about time to replace the chain. The old chain started to skip links, but only sometimes.
I got the right chain from my local bike shop, I sized ...
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My 6 geared Shimano bike doesn't shift from higher to lower gears but does the opposite smoothly
My 6 geared(Shimano gears) mountain bike with the grip shifting system shifts really smoothly from the 1st gear to the 6th (biggest cog to the smallest). However when I try to twist the shifter from ...
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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 ...
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Sharing bike trainer between 11spd and 8spd bikes
I have an 11spd 11-30 cassette both in my bike and in my direct bike trainer.
My girlfriend recently purchased a road bike with an 8spd 11-34 cassette. What are our options for sharing the trainer? ...
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Options for adding lower gearing for bike with Shimano 105 drivetrain
I have a 2015 Salsa Vaya 2 with a Shimano 105 drivetrain. It has a Shimano 105 Triple front derailleur with a 30/42/52t crankset. In the back it has an 11-30T 10-speed cassette (installed for me by ...
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Are all gear ratios created equal?
Here's a question simple at face value but for the math nerds feel free to dig in. Do all ratios of similar proportion (eg. 1:1, 1.5:1) etc feel the same. As in require the same work? Is the bottom ...
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Going from 2x8-speed to 1x11-speed
I bought a beginner bike with a 2x 8-speed Shimano setup a year ago. I am looking to upgrade, now that I am getting more in to cycling then expected. Since I live in a really flat area (when I go on 3-...
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Longtail cargo bikes - why no internal-gear hubs?
I really like the idea of ("compact") longtail cargo bikes, i.e. bikes with a regular frame shape but with an extra-large and sturdy rack for transporting medium-sized loads and persons/kids. ...
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Why isn't the chain on the rear gear in biggest cog for lowest gear
I have bought a bike few days ago and I am a new rider as an adult. And, I am a little confused as my rear brake has 7 cogs but the chain is on the second from top cog.
Shouldnt it be on the biggest ...
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Can the gears on an electric towne 8 be changed to higher [closed]
Wife bought a Towne 8 Electric bike. Can the gears be exchanged for higher ratio
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GRX crank with Ultegra groupset
I currently ride a full Ultegra di2 setup with 50/34 chainrings and 11/32 11sp rear cassette. I would like to run the GRX 46/30 chainrings because 50/11 gearing is a waste for me. I could either ...
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Back gears are jumping
I am a newbie at gears. I had to buy a new cassette and back wheel, and have just done a straight swap.
Now I am not getting all my gears at the back. Eg when in fifth gear it says I'm in 4th etc.
...
