Questions tagged [gears]
Gears in the drivetrain of a bike.
745 questions
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My bike shifting won’t surpass 6
I own a Scott Aspect 740. On the shifter it says it is on gear 7, 8 or 9 however in reality on the rear derailleur the chain is only on 6 and won’t go past this.
I’m looking for a fix as it is very ...
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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 ...
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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 ...
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SRAM PG-1130 cassette manual? Meaning of numbers on spacers that go between sprockets?
Took apart the individual sprockets on my SRAM PG-1130 cassette and the spacers (the ones between the cogs) were so dirty I didn't even see the numbers on them but each spacer has an 11 on it (makes ...
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Alternative cranksets for a cross-country mountain bike larger than 48t
I have to replace my chain and gears on my 28'' cross-country mountain bike and I like to use the opportunity to make some modifications. I've tried to read up on this and I already learned a lot from ...
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Replacing rear solid axle with skewer
Hoping someone can advise.
I recently ordered a Saris Fluid2 trainer, which requires me to use a special quick release skewer on the rear wheel. However, my regular road bike is an old Acapulco ...
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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 ...
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Front chainring issues + can I install Falcon Friction thumb shifters to an Shimano STX derailleur set?
I'm interested in trying friction shifters, also to save space on my cockpit. I bought a Mongoose Hilltopper 1994 recently and I want to play with it a little.
A bike mechanic told me in order to ...
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Cassette teeth design
I'm new to the bicycles scene and was trying to 3D draw a bicycle.
I'm currently trying to draw an 11 speed 11-30T cassette but I quickly noticed that the design of the teeth of the gears are quite ...
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52/15 fixed gear ratio - what should I change to?
I have a 52/15 gear ratio and I find it sort of difficult to pedal.
I'm wondering what I'd need to switch the chainring/cog sizes to that would allow for me to not remove any chain links.
I'm ...
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How much to get a new derailleur and gear shifters and hooked up at a shop? [closed]
I have no derailleur and cheap grip shifters on my schwinn pathway want to get new ones
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Where can I get a fork that will fit a 7 speed gear and a disc brake? Or how could I make one for said specification?
Im trying to insert a 7 speed gear and disc brake on the front wheel of a recumbent cycle that I'm trying to make. However its difficult to find or almost impossible to get forks with widths that ...
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Why does my bike make too much sound if I am in the top 3 gears in the back and large gear in the front?
I have a Cannondale Synapse SE 105. Whenever I go downhill I tend to shift into combination of top (smallest ring) gears in back and large gear in front. My bike just makes so much amount of noise ...
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Using a brake noodle on the gear cable?
I'm working on adding a front derailleur to a folding bike that started as a 1x setup.
Today I got a front derailleur mounted, and realised that I need some form of cable stop for the inner cable. ...
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What is this thing called that holds the gear shift cable (not the wire)?
There is a small metal part that keeps the gear shift cable in place, so the inside cable can move without the cable hose moving as well. I think I damaged it slightly when making repairs so I need a ...
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Can I switch through all rear gears with a two chainring crankset?
I'm very new with bikes, I just got my new bike since I was a kid like 25 years ago, I bought a Trek Marlin 7 2020 which comes with a 2 chainring crankset and 9 rear gears. I've been hearing that is ...
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What are the round things near the main front cog?
This bike in this picture has two rollers near the front sprockets. The chain goes through the lower one and not the top one. I've no idea on their purpose vs other bikes that don't have them and ...
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Upgrade new bike to 11 speed or downgrade trainers wheel to 8 speed
I am farily new to cycling and roadbikes in general. I have bought a ( last years model ) roadbike with an 8 speed casette in the back. I also bought an indoor trainer ( 2nd hand ) and got a spare ...
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Downshifting tension
Can you adjust your (Shimano) gear shifters to have less/more tension? I'm frequently downshifting from high to low gear and would like to reduce the amount of finger energy required to downshift.
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Deore FC-M615 single 64 BCD chainring
I want to build a 1x9 drivetrain MTB so I'm wondering if I can set this FC-M615 crankset to a single 64 BCD 28T chainring, from what I can see the XT M8000 is compatible and allows 11-speed cassette ...
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Dual gear cable setup for aerobars and handelbars
Is there a solution to set up gear shifters at the end bar of the aerobars and on the handlebars simultaniously?
It is just annoying when I am down in triathlon position and have to change the grip ...
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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 ...
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Changing to a smaller gear ratio
I have a Kona Rove ST, with a 40 teeth gear wheel and a 11-42 cassette. It's all SRAM. Here is the technical description.
It's ok for now, but I'm often using the smallest ratio (40x42) so I don't ...
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Problem with Apollo Gradient clunky and missed gear changes
About four months ago I decided to get back into riding. I bought an Apollo Gradient mountain bike. I know this is quite a cheap/basic bike but didn't want to spend a lot if I didn't stick with it. I ...
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Can I replace hood covers on Shimano ST-2300 brake/gear levers?
I'm looking to buy a replacement cover on my right brake/gear lever which is a Shimano ST2300.
I've found a 'Shimano Bracket-Cover Hood Dual-Control-Lever R9150/R9170' Road-Bike on AliExpress, but I'...
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Do simpler casettes have less issues with missing shifts?
On my new Trek Marlin with a 8 gear cassette, sometimes I try to downshift into the middle of the range of gears and it doesn't take (upshifting works fine). I can hear the gear clicking for a few ...
2
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Problems indexing gears
I have a Boardman CX Team 2014 with some indexing issues. It's running a Shimano Sora ST-3500 9 speed shifter with a Shimano Sora rear mech.
The gears had not been running all that smoothly and, as I ...
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Bike makes noise while 2 out of 3 gears
I assembled a new bike. It rides smooth in first gear but makes a particular noise in 2nd and 3rd gear. It doesn't seem to be from the wheel because it's not there if I turn the wheels in air, but it ...
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Strangeness with gears
I searched the internet and this forum and couldn't find anything about this. I recently took off my rear wheel to change the tire and tube. Upon returning it, it shifts fine (no falloff or skip) ...
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50/34 compact with 11-32 10-speed Shimano 105 - will 11-34 make climbing easier or change chainring
As mentioned above...I'm running a 50/34 10 speed with 11-32 cassette but would like to change to a configuration that would make climbing hill easier.
I live in a hilly area so every time I cycle, ...
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Can't shift to highest front gear
I've been trying to propely adjust front gears in my bike, but failed to do so. I can't make the front gear to shift to highest gear. I can make it work when testing the bike while it's lifted, but ...
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Adding gears to adult tricycle [closed]
I would like to make a 3,6, or 7 speed conversion from my single Grear adult tricycle. How difficult would that be, and would it be very costly?
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Chain slipping between frame and gears
I have a bike that I use for getting from place to place. The only problem is, the chain periodically slips off the gears and gets stuck between the frame and the rear wheel gears. Almost like my bike ...
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2
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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 ...
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4
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How do I know what gear combinations should work without chain rasp on front derailleur?
I tried adjusting the front derailleur on a 3x10 trekking bike. After fiddling around a long time, I concluded that is probably not possible to make all cogs work with all chainrings. How do I know ...
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A clicking every couple of pedal turns (video included)
I have been using a hybrid trek for a couple of weeks.
The bike is still very new with only around 150 miles done.
This morning on a ride it kept clicking every few pedal turns.
I cut the ride ...
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Does my chain need to be replaced because it has looped itself many times?
A snapped off derailleur caused my chain to loop itself so unsure whether it needs replacing.
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Should I replace the bent Derailleur hanger?
My friend (also on a bike) collided with me while we were riding together. As a result of the collision, I now have a bent derailleur hanger. Should I replace it alongside the Derailleur?
The bike ...
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Lowest rideable gear ratio
What is the lowest rideable gear ratio (chainring/cassette) possible without feeling like having to balance/trackstand? I'm doing some virtual simulations right now and I'm just setting up IRL limits. ...
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Please identify my Orbea
Bicycle helps in my exercise to lower cholesterol. Like the way it coast and how light it is.
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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’...
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Pedaling at different gear ratios on flat terrain: what's the point?
I have seen many cyclist pedaling at different gear ratios on the same (flat) terrain and cruising at (roughly) the same speed. They move quite fast, but when I look at how fast they pedal, I realize ...
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Lower gearing for a Trek 520
I have a stock 2016 Trek 520 bike and I'm a newbie to road cycling.
It has Alivio front derailleur and Deore rear derailleur with Deore triple-chainring crank.
The 2016 came with 26/36/48 front ...
3
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How can I get a snapped gear cable out of my Shimano brifter?
Shimano's brifters that route the cables under the bar tape make the gear cable turn through a tight corner to get into that routing. This seems to weaken the cables and, if they're not replaced in ...
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Front gears won't shift
I am very new to the bike maintenance, but want to learn how to do it myself. I have got a MTB which won't change the gears at front. It's basically stuck in the granny gear at the moment. I tried to ...
4
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Pulley for 10 Gear Derailleur for 9 Gear Chain
I am using a 10 gear XTR derailleur on a 9 gear cassette with a 9 gear chain and the tension pulley of the derailleur looks like needing replacement (despite teeth being very sharp it seems to work OK ...
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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 ...
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1
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Why are barrel adjusters different for brakes and gears?
In my experience, the ones for brakes will look something like this
while ones for gears will look like this
Is it even true that this is the case or did I just randomly see all the bikes having ...
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2
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Gears on left are inverse to gears on right?
I have a target bike, so I already know some things may be off from real bikes. And I'm aware I should get a real bike if I wanna do just about anything.
On the left side of my gears (the ones that "...
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SRAM x5 derailleur fitting
So I am a complete novice when it comes to bike maintenance but working on a project mtb, old Saracen rufftrax.
The rear derailleur was knackered so fitting a new SRAM x5, my question is do I need to ...