Questions tagged [gears]

Gears in the drivetrain of a bike.

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2
votes
1answer
147 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?
2
votes
4answers
414 views

Gears shift perfectly when suspended on rack, but not on the ground?

So I had recently solved some issues I was having thanks to the community. I re-tuned my bike on a suspended mount and everytning looks great. On the ground, all of the gears work smoothly except for ...
2
votes
3answers
14k 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 ...
-5
votes
1answer
98 views

What is gear bicycle is it useful in countryside? [closed]

I want to know about multi gear cycle. My area is a flat surface. What's the major use of geared one vs. single speed bicycle?
3
votes
2answers
4k 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 ...
1
vote
1answer
432 views

Gearing change on Mongoose Malus

I recently purchased a Mongoose Malus, I would like to change out the front gear so I have a true granny gear (ie really low gear) and am not concerned with the top end speed. Where can I purchase ...
10
votes
5answers
4k 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 ...
0
votes
1answer
87 views

Cables for my rear gears do not work

The rear derailleur on my Huffy 21 speed bicycle does not switch anymore. It will click and turn, but the gear won't switch. When I attempt to force it manually it switches back to the biggest gear (...
5
votes
2answers
623 views

Help me understand my 8-speed uniglide compatibility issue

I have a Dura Ace 8-speed uniglide rear hub/freewheel marked 'Integrated 8 SIS' and an 8 speed uniglide 14-21T cassette. Two issues - the first being that the smallest cog needs to be a special 32mm ...
3
votes
2answers
190 views

Which rear cog should I remove if I want to add a 26 for climbing?

I have an old road bike with 53-39 rings and 13-23 cassette. Although it's generally flat in my area, I like to get to the top of these hills where they put the radio antennas (without dying). Max ...
0
votes
2answers
436 views

Quad chainring (4x12)?

Does anyone yet make an affordable quad chainring? I would love to see a 4x12 with my staggered cog idea such that all 12 gears are shifted progressively using the 4 chainrings. Each chainring would ...
3
votes
1answer
1k views

Can't shift down from 50T with clutch on, but can shift down with clutch off, why?

Can't shift down from 50T with clutch on, but can shift down with clutch off, why? I'm using sunrace 11-50 and XT RD-M8000 (SGS), finished setting up everything for absolutely perfect shifting, then ...
9
votes
3answers
5k views

Can double chainrings be used with a clutch-type rear derailleur?

I've been reading up on Sram's CX1 1x11 cyclocross-specific group. It hinges on two technologies to minimize the potential for dropped-chains/chainslap. The CX1 clutch rear-derailleur keeps the chain ...
0
votes
2answers
83 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 ...
0
votes
1answer
64 views

What is a suitable Gear Range for Biking on Flat Rail Trails

My wife and I are 70 and are planning a purchase for relaxed riding exclusively on smooth (packed cinder/crushed stone) rail trails. We’re looking at comfort bikes like the Jamis Hudson Sport and the ...
0
votes
1answer
285 views

Can you use shimano m8000 replacement cogs to replace Sunrace mx80 cogs?

Can one use m8000 replacement sprockets 11T 13T 15T to replace the corresponding mx80 sprockets? I appreciate the clusters can't be switched due 3 free sprockets and 2 clusters of 4 on mx80 vs 5 free ...
0
votes
1answer
768 views

Rear gears not shifting between 6 and 7

I've just replaced the rear derailleur on my kids bike. I've fitted the biked with a Shimano Altus. The issue I am seeing is the shifting between gears 6 and 7. When I move from 7 to 6 the chain ...
0
votes
1answer
87 views

Gears shifter kinda working

On my bike for some reason [when changing gear] it some times skips a gear and stays on a gear I'm not wanting to be on. If you can help me please do so.
3
votes
2answers
2k views

STI brake shifters for cantilever brakes?

I have a Jamis Aurora 2016: Jamis Aurora I'd quite like to convert it to have brake lever gear shifters (the shifters are on the end of the handlebar drops which I don't really like). But will they ...
3
votes
1answer
102 views

Do 6 speed flight deck shifters exist?

I'm interested in changing my bike from downtube to flight deck shifters, however I'm struggling to find any 6 speed flight deck shifters. I have a suspicion they don't exist. Thanks a lot.
-2
votes
1answer
109 views

Intermitant noise

My merlin road bike makes an intermitant noise, like a high whirring, humming sound while I'm riding or coasting and than goes away. Sounds like its coming from the the drivetrain or geared hubs?
1
vote
1answer
1k views

Can I upgrade to SRAM GX Eagle from Shimano Acera 9 Speed?

Thinking about upgrading my gear set to SRAM GX Eagle 12-Speed Groupset 175mm from a Shimano Acera 9 Speed 40/30/22 MTB chainset Would this be compatible?
0
votes
2answers
284 views

My chain slips when I use an inappropriate gear, and the chain loosens when changing gears (most of the time). What should I do?

As the title says, it seems like my chain slips way too often. This happens if I pedal hard, go uphill, or ride at an inappropriate gear (even when not pedaling hard). Besides that, it seems like my ...
1
vote
3answers
2k views

MTB with gears or non gears, suspension or non-suspension for stunts?

I am planning to buy an MTB for learning stunts...(BTW my family wont allow me to buy a BMX because of its height). So my question is shall I go for MTB with front suspension or not and with gears or ...
0
votes
1answer
145 views

Swapping out my front and rear derailleurs

I have been having trouble adjusting my gears correctly, so that they stop making noise and grinding in one spot or another. Every time I set the high, the low goes and then fiddling with the cable ...
4
votes
5answers
2k views

Difference between two drivetrains with the same gear ratio?

Given two identical, fixed-gear bicycles, one with a 36/12 gear combination and another with 48/16, will there be any noticeable difference when pedaling these two bicycles? I understand there may be ...
-4
votes
1answer
88 views

How do I find gear info for my bike?

I'm wanting to calculate the gear ratios for a bike my dad gave me as a gift but I can't find it listed anywhere, nevermind being able to find a manual. Based on the stickers it's a Performance Cross ...
1
vote
2answers
3k 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 ...
1
vote
2answers
2k views

Can a gear change snap my chain?

On a ride yesterday I changed from my large to small cog on the front gear set and my chain instantaneously snapped. The snap occurred right on the point where the mech would have applied pressure. ...
0
votes
2answers
2k views

Is it possible to upgrade a 6 speed mountain bike to 7 or 8 speed?

I ride a Hero Sprint, MTB, with 6 gears in rear and 3 in the front. I am thinking about upgrading my 6 gears to something like 7 or 8. Is it possible, if yes, how much does it cost, and what are the ...
-1
votes
4answers
674 views

Hypothetical 1x10 simplification to 1x3 or 1x5

This is a hypothetical question that will help viewers (including myself) better understand gears and their limitations. Suppose someone sees a bike they like at a local bikeshop and it just happens ...
3
votes
1answer
311 views

Handlebar stolen along with gear shifter and brake triggers. What to do how much am i looking to spend?

So live in Redfern, Sydney, Australia. I keep my bike at my dad's and he asked me to lock my bike near the police station for a while because he was fixing up his apartment. This was before I left on ...
2
votes
2answers
1k views

How does one upgrade a bicycle?

I am a total bike novice, I can ride them but have never done much as far as maintenance. Recently, I got my old bike out of storage, it is a 1991 Trek Multitrack 700, and I want to know if I can "...
0
votes
1answer
41 views

Replacement Freehub cassette

I'm planning on changing my cassette to 11-32. Im running a Shimano 12-28 8 speed at the moment. I have no markings on my old cassette and I'm a little confused at all the letters and numbers they ...
6
votes
1answer
8k views

Why is 2nd largest rear cog making clicking noise?

I have constant clicking noise from the 2nd largest rear cog on my cycle. It starts as soon as I shift into the 2nd gear either from 1st or 3rd gear. I have checked the following things: Cable ...
1
vote
3answers
4k views

Can I partially upgrade from Shimano Sora to Ultegra 6800?

I have a Shimano 9 speed groupset and I want to upgrade to something that's better on the climbs without shelling out and buying a whole new groupset which would be more money than my actual bike. ...
1
vote
2answers
2k views

How do I tune slipping gears?

My kid's bike has some gears that aren't working properly (rear derailleur). They "slip". That is, he's pedaling along and suddenly the gear slips, as if it is going to change gears, but doesn't ...
0
votes
2answers
67 views

Gears and chains [duplicate]

How do I know if I can put up a 10speed casette on my 2x8 setup (so can hub support it or do I need a new hub?). Also can I put a single speed chain on this setup above? I can't seem to find colored ...
18
votes
6answers
7k views

Does riding high gear up a hill damage a recumbent bike?

I have a recumbent trike with 26 gears. While normally I would shift to a low gear when going up a hill, I found that I can go up hills in the highest gear, the configuration that gives me the fastest ...
2
votes
3answers
3k views

Shimano Sora 9-speed shifters “missing a speed”

First time posting, hope I can get some suggestions on this weird issue I've noticed with my shifting. I have a fairly decent understanding of how to maintain gears myself, and have made quite a few ...
8
votes
3answers
2k views

When to shift gears on a hybrid bike?

I know what gears do what (what makes pedaling easier or harder), but my sister and I are having a debate on when exactly to shift. I think I read somewhere that it is better to shift when coasting or ...
1
vote
2answers
1k views

Chain keeps slipping on in-hub geared bike. Stretched chain?

I have an Avanti Discovery 8, which is a mid-range hybrid bike with Shimano in-hub gears. I ride about 20klms a day on bike paths so whilst it gets a work out, it never really gets much bad abuse. I'...
1
vote
1answer
127 views

Planetary gears slip transmission

I have Shimano gears and recently it starts slipping transmission under a pressure. That is pretty annoying and painful sometimes especially when you go uphill or accelerating on the traffic light. I ...
1
vote
3answers
92 views

Gear cable replacement

I need to change the rear mech inner cable on my Giant Fastroad slr1 (2016). The cables are run internally through the frame, but I need to know if it is a continuous outer sheath or is in sections, ...
3
votes
3answers
2k views

Road Brifters with MTB Derailleurs

I've just bought a lovely Surly touring frame and I simply stuck all of my mountain bike components on it. That means I've retained a flat handlebar. I'd really like to stick drop bars on though and ...
0
votes
2answers
1k 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 ...
5
votes
3answers
1k 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 ...
1
vote
1answer
230 views

Is it imperative to shift to a higher gear when in a descent?

I've noticed that, when I'm descending quickly on my road bike without pedaling, the pedals will sometimes spin too much freely, which seems like they have no impact whatsoever on the wheels. Is it ...
2
votes
2answers
12k views

Is 1x11 better than any 2X10? [closed]

I am upgrading from a Shimano tourney bike and newbie so please be nice to me .. lol :) I ride trails and easy bike paths and some roads. For cross country - Semi road/ Semi mountain type riding, ...
2
votes
0answers
898 views

Is Shimano 36/24 double crankset possible?

I'd want to exchange my triple crankset with double. After playing with gear calculator and testing some double setups, I came to the conclusion I need 36/24 gearing. I have 10 speed drive, so I'm ...