Questions tagged [gears]

Gears in the drivetrain of a bike.

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1answer
11 views

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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2answers
81 views

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 ...
2
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1answer
39 views

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 ...
2
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2answers
79 views

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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1answer
56 views

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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1answer
118 views

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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1answer
87 views

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 ...
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1answer
103 views

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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0answers
43 views

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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1answer
107 views

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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3answers
493 views

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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2answers
104 views

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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1answer
142 views

Adding gears to adult tricycle [closed]

I would like to add gears to my adult tricycle. How difficult would that be and would it be very costly?
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1answer
119 views

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 ...
3
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2answers
129 views

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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4answers
173 views

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 ...
2
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1answer
94 views

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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2answers
113 views

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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1answer
135 views

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 ...
2
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2answers
171 views

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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2answers
486 views

Please identify my Orbea

Bicycle helps in my exercise to lower cholesterol. Like the way it coast and how light it is.
4
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3answers
148 views

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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4answers
6k views

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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2answers
162 views

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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1answer
68 views

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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1answer
211 views

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
votes
1answer
122 views

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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4answers
106 views

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 ...
1
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1answer
91 views

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 ...
2
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2answers
569 views

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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2answers
337 views

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 ...
1
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1answer
102 views

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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0answers
75 views

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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3answers
150 views

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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0answers
46 views

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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2answers
119 views

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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0answers
104 views

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 ...
3
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1answer
188 views

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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2answers
73 views

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 ...
4
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3answers
328 views

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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2answers
159 views

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 ...
1
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1answer
106 views

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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4answers
4k views

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 ...
2
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1answer
138 views

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 ...
0
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1answer
52 views

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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3answers
573 views

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 ...
2
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2answers
59 views

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 ...
11
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3answers
2k views

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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2answers
723 views

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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5answers
1k views

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 ...