Questions tagged [gears]

Gears in the drivetrain of a bike.

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3
votes
2answers
908 views

1x10 drivetrain against 1x11 drivetrain on mountain bike

What are the advantages/disadvantages apart from the obvious loss of one gear in the middle somewhere if both drivetrains start and end on the same size cogs
3
votes
2answers
210 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 ...
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
116 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.
3
votes
2answers
42k views

Bike won't shift into 2 largest rear cogs (lowest gears)

I replaced the rear derailer on my bike after Schwinn sent it to me. The old one had a bent piece. I can't shift onto the largest 2 rear gears. I set the shifter to the lowest setting, but the chain ...
3
votes
1answer
656 views

Chain overshoots cog when shifting from low to high gears

Hi when shifting from low to high gears my chain is overshooting the cog and jumping into the next one. I tried turning the low limit screw outward to move the derailer in towards the low gears but it ...
3
votes
2answers
2k views

Speed and the sizes of tires/gears

Does the speed of a normal mountain bike vary according to the diameter of the wheels? If it does, will a larger diameter increase the speed or decrease it? Similarly, if the speed varies according ...
3
votes
2answers
408 views

Rear gears don't turn anticlockwise

I've taken the rear wheel off my bike but the rear gears are stuck and do not spin freely anticlockwise. It had been out of use for about 4 days, kept in a dry garage. I took the wheel off because it ...
3
votes
3answers
2k 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, ...
3
votes
1answer
306 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
votes
1answer
267 views

Will this chain work on my bike?

I've bought the Shimano HG40 chain which is advertised as a 5,6,7 and I think 8 speed chain. I've just received it and it also says 15,18,21,24. (Obviously including the front gears). My bike is a 2x6 ...
3
votes
1answer
2k 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 ...
3
votes
2answers
1k views

Need easier gearing. What would the effect of changing the chainring or cassette be?

My mountain bike is too difficult to pedal when the going gets steep. I need an easier gear ratio. Am I better off switching the chainring or the cassette? I currently have: A 30 tooth FSA ...
3
votes
2answers
319 views

Regina Extra Freewheel or Cassette

I have a road bike (Carlton Flyer, 1977) with a regina extra rear cassette. I'm interested in downgearing it (i live on a massive hill) and am trying to identify whether it is a freewheel or cassette ...
3
votes
4answers
3k 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 ...
3
votes
1answer
309 views

Problems with gears after re-attaching front chainring

I had to remove the pedal crank arm together with the front chain set when fixing a bottom bracket problem, but now that I've re-attached it, gear changes in my front derailleur are completely off. ...
3
votes
1answer
2k views

What does double and triple gear shifters mean?

I am looking at these components and am wondering what does double and triple gear shifting mean? Shimano R221 Double Gear Shifters 8 Speed http://www.chainreactioncycles.com/Models.aspx?ModelID=...
3
votes
1answer
51 views

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. ...
3
votes
1answer
298 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 ...
3
votes
2answers
209 views

Gear change recording

Has anyone heard of a device that records gear changes? Like a cadence sensor or power meter, but specific to recording when you change gear. With all the data we can currently capture about our ...
3
votes
1answer
119 views

Gear shifting : new to cycling maintenance

I'm new to cycling. I have a Soma Saga with SRAM X7 derailleur and Apex shifters. I have ridden about 200 miles on it. When I'm cycling, sometimes my gears shift/jump to the next gear on their own. I ...
3
votes
1answer
747 views

Campagnolo Cambio Corsa primitive derailleur — can it be recreated?

Does anyone make this sort of system and sell it today, or is my only option looking for someone selling theirs? I've googled whether similar systems are being made today but found nothing to my ...
3
votes
1answer
2k views

Can I install a gears cassette on a regular bike?

I was given a bicycle for my birthday (yai!), it has 24" wheels and it is awesome! But it is single speed and sometimes it is hard to ride up-hill in my daily commute. Could I change the rear gear ...
3
votes
1answer
3k views

Can't change into the largest sprocket on rear derailleur

I bought my first road bike recently, and I've noticed I can't change into the largest cog/sprocket on the rear derailleur because when I pull the shifter the chain is pushed into the side of the ...
3
votes
3answers
6k views

How much faster can i go after moving from 2x10 to a 3x10 gear setup?

My 26" mountain bike currently has a 2x10 gear setup with SRAM components: a SRAM S-1250 crank with 38/24 chainrings, and a SRAM PG-1030, 10-speed, 11-36t cassette. I feel that when riding on non-...
3
votes
1answer
833 views

Front gear issues with middle ring (not always making it over)

I've been trying to straighten out some shifting issues on a kid's bike, it's a Diamondback and is a few years old. On the front gear-set it has a few issues that I am having trouble fixing through l ...
3
votes
1answer
378 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 ...
3
votes
3answers
2k views

Larger sproket on a single speed crankset?

I recently bought an urban bike that comes with a single gear crankset with a 42 tooth sprocket and an 8 speed rear with 12-36 teeth. I would like to swap out the front sprocket to a larger one to ...
3
votes
2answers
1k views

Shimano Claris shifter double/triple shifting up (when moving to smaller, harder cogs) on the rear derailleur

Although my rear derailleur is properly indexed it's suddenly started to double or even triple shift on an upshift - i.e. when moving to harder, smaller cogs on the cassette. This happens whether I'm ...
3
votes
1answer
1k views

converting stem shifters to brifters

I'm new. I'm 26, from the UK and until last year I'd never cycled more than 10 miles before. Then in September I cycled 2700 miles from Maine to Florida. It was great. I've just bought a Dawes Galaxy,...
3
votes
1answer
746 views

Sachs- Huret derailleur (re)installation

Sachs - Huret derailleur installation So the learning curve continues on the '85 Peugeot P-16. The main lessons are to take pictures and time getting each thing done. I have the rear derailleur hung....
3
votes
4answers
3k views

Bike gears not shifting how they should

So I've not cycled in a while but my step dad was using my bike and he has a habbit of breaking stuff. I have since decided to start cycling to work again and I replaced various parts due to rust etc (...
3
votes
1answer
61 views

Adjusting Gear Actuation

I recently brought a second hand bike with Shimano Deore gears on it and when I switch up a gear on the chain-ring it requires a significant amount of actuation pressure on the 'flappy' paddle (...
2
votes
5answers
164 views

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.
2
votes
4answers
1k views

Starting off with shimano gears

I am completely new to multi gear bikes, the last time i rode a bike was in 1965. My question, what gear combination do i need to start off on level ground. If i try to back pedal just a bit, to get ...
2
votes
2answers
556 views

How do I use my power meter file to improve my time up this steep hill climb tt?

The hill is 0.8km long with an average gradient of 13%. My cadence on my 46t-36t 11-25t 9 speed gear ratio starts at 80rpm and rapidly dips to 40 rpm. Is there a way to calculate what gear ratio is ...
2
votes
4answers
171 views

Why is standing more common on hills than on flats?

We all know that standing on a hill feels better than standing on a flat. Even pros seemingly only stand up for hills (not counting sprints). What causes this? Here's what I've thought of so far: ...
2
votes
2answers
2k views

Finding which gear on my bike is closest to a single-gear bike

I have a 21 speed bike, and I'm thinking of purchasing a 1 speed. Does anyone know what gear on the 21 would be for a 1? I'm trying to see how well my bike does on that gear in my area. Thanks!
2
votes
4answers
457 views

Gear shifts and drive speed on bikes

If I am driving in the 5th gear, can I know what is my velocity? Let's assume I am on a perfectly flat surface and moving monotonously.
2
votes
3answers
538 views

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 ...
2
votes
4answers
332 views

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 ...
2
votes
2answers
14k 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
3answers
378 views

Help with the bicycle gearing

I'm new to road bicycle with gears. I have 3 gears in front and 8 at the back. The principle behind Bicycle gearing is too difficult for me to understand. Please tell me what gears to use When ...
2
votes
2answers
363 views

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 ...
2
votes
2answers
238 views

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 ...
2
votes
1answer
2k views

Is Back-pedalling normal ? chain keeps jumping from higher to lower cog in rear cassette

I just bought a new bike Marin Pine mountain-1 which has 1 X 11 drivetrain. I want to know is Back peddling normal ? I called my mechanic and he said you should not do back peddling or this will ...
2
votes
2answers
1k views

triple chainring with with single speed freewheel

I have a Hero Sprint Axis (with 18T freewheel).I ride mostly on flat roads, but want more top speed and a lower gear for starting from standstill. Is it possible to just install a triple chainring ...
2
votes
3answers
333 views

Can you change gear on your front dérailleur during a cyclo cross race?

During the 10 cyclocross races I did this year I often found myself riding solely in my small 34t chainring and was unable to change up and down quickly enough between corners and barriers to be able ...
2
votes
1answer
551 views

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 ...
2
votes
2answers
894 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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