Questions tagged [gears]

Gears in the drivetrain of a bike.

Filter by
Sorted by
Tagged with
2
votes
0answers
926 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 ...
5
votes
4answers
16k views

How fast can my bike go?

I have an old mountain bike and want to change to a Pashley style girlie bike. I use my bike to go to the shops, pop to places and go out and about with my dog running along side. I find the seating ...
0
votes
1answer
64 views

Can't press shifters (stuck) [closed]

My rear shifter says the chain is on gear 4, but actually it is on gear 7. When I try to swap the gear, I just can't press/pull the lever: it's stuck. The 2nd problem I have is that when I'm riding my ...
0
votes
1answer
438 views

Replacing a Positron II with a modern gear shift

I was tinkering on an old Enik Roadbike (see here: Convert old road bike to comfortable commuter). Most of the parts were still working fine, but the Positron II was not in a good shape, so I bought a ...
2
votes
1answer
1k 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
189 views

Best Gearing for a very fit but on his way out 52 year old [closed]

Firstly, I'm no beginner. I've just bought a so called good bike from a major retailer. Why would a "good" bike come with "beginner" gears? Chainring 50-34 with 10 speed cassette 12-28. I enjoy ...
4
votes
3answers
29k views

What do I need to know about fitting new wheels on a bike?

My girlfriend has had the wheels stolen from her bike. I'd like to replace them, but we're working with a limited budget so I'm going to do the work myself and source the parts second hand. I've done ...
2
votes
1answer
68 views

Quick - Maybe Question on changing gears [duplicate]

Not looking for a overly technical answer here just a very simplistic one I quess.. When switching gears is it best to try and keep both front and rear gears either high or low (Depending) I mean we ...
2
votes
2answers
528 views

How to properly gear compensate for short crank arms?

Is there a linear relationship between gearing and crank arm length? For example, on my multispeed bike, my favorite gearing is 34/20 which is 1.7 and with 26" tires, that is 44.2 gear inches but I ...
1
vote
1answer
23k views

RevoShift Friction: shifting to the largest gear takes a lot of force?

My wife's bicycle has Shimano Revoshift shifters, and while the right (rear) one works fine, the left (front, Friction) has been problematic for a while. Originally, when we bought the bicycle, the ...
0
votes
1answer
55 views

TX50 7 Speed Setup?

I just purchased a Shimano TX50 6/7 Speed Derailleur for my bike however I'm having a bit of trouble. I have 7 gears at the back but when I try and change to first using the new derailleur it just ...
8
votes
2answers
8k views

Do I have Direct Mount or Hanger Mount?

I'm very very new to bicycles and obtained a little project for me to work on, hence the amount of rust on the parts currently but I'm not sure if I have a direct or hanger mount derailleur? I'm 100% ...
2
votes
1answer
178 views

Why does my bike left gear shift have more than 3 combinations?

I just bought a new bicycle and I just read and watched some videos of how mountain bike gears work. I noticed that the bike is a triple but the left gear shifter has more combinations than 3 (like ...
5
votes
2answers
960 views

What should I do when my rear derailleur cable guide is too narrow?

I am installing a modern groupset on an old frame. The frame has a rear derailleur cable guide like this: The problem is that the gear cable housing ferrules are too large for the braze-on, causing ...
5
votes
1answer
3k views

microSHIFT on front gears, how does it work?

Firstly, I do apologise if I don't get all the terminology correctly but I hope I'm still clear. We bought a second-hand 18-speed bike that has a front gear system that I've not encountered before. ...
2
votes
1answer
143 views

Help me understand my Hub Gear bicycle

I recently acquired a second-hand Hub gear hybrid bike. It only has 3 gears. I know little about bike mechanics but would like to try and understand more. When I cycle the gear shifts between gears ...
-1
votes
2answers
146 views

Gear slipping in gear 24

I use my bike everyday to commute and recently I've noticed that when in gear 24 my bike seems to slip from time to time as though the chain has "lost the gear" and then finds it again. I haven't ...
2
votes
2answers
1k views

Gear for incline - Internal Gear Hub?

I'm new on the cycling scene and I'm looking to build a bike. I'm a bit worried about my route home, since although only 5KM it's quite steep in places, with 0.25KM being at a 16% incline, and the ...
1
vote
1answer
78 views

21 speed front gears go 1 to 2 to 3 and 3 to 1, but not 3 to 2

My front gears can move up just fine, but to go from 3 to 2 I have to go 3 all the way down to 1 then up to 2 for the chain to engage. Doesn't even seem to try on 3 to 2.
3
votes
4answers
850 views

How to get a lower gearing

My trusty old CF racer was stolen the other day, and I'm looking for a replacement. I saw this bike at PlanetX and was intrigued. It's a full carbon bike with (last years) Ultegra components for a ...
1
vote
1answer
123 views

In which should I let my gears when not biking? [duplicate]

I heard from a friend I shouldn't let my bike "resting" with the combination biggest front ring and the smallest back ring because in his words "it keeps the system under tension". Does it make ...
3
votes
2answers
38k 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
2answers
2k views

Does effort require to pedal depend on the gear ratio or the gear inches?

I have a 20x1.75" 6-speed folding bike with 52x14-28t drivetrain. Even with the gearing at 52x14, ~3.71 ratio, I can still pedal uphill. I also have a 700x25C fixed gear with 49x17t gearing or ~2.88 ...
1
vote
3answers
3k views

My back wheel isn't connected to the gears

I have an old bike it says Via Montega on the body if that helps. I was riding it earlier when the pedaling stopped resulting in forward motion. I thought the chain might have come loose but it is ...
2
votes
2answers
79 views

3- 5 gear special gearset?

So, a while back when I was rebuilding my vintage Shogun 6-speed, I realized that I only use 2- 3 gears on my commutes to and from school, crew, and other daily rides. The next day, I went to my local ...
1
vote
2answers
479 views

Specialized Pitch 2017 clicks like its changed gear but hasnt

I purchased a Specialized Pitch 2017 basic model 1 1/2 weeks ago. When I'm in gear 13 (most comfortable gear to ride on), and put extra pressure on the ride (standing up, pedal faster, harder) it ...
2
votes
1answer
174 views

Weird gear ratio for a couple of seconds after crash

Just yesterday, I was riding my mountain bike along a sidewalk and out of nowhere hit a stop sign pole mounted in the middle of the side walk. I guess that’s what happens when you get too preoccupied ...
5
votes
3answers
753 views

cross chaining 18 speed (2 * 9) bike

I have a 18 speed bike. There are two chain rings in the front and 9 cogs at the back. I am new to cycling and I wish to know which gear combinations should I avoid to prolong the life of the chain ...
7
votes
1answer
880 views

Have they ever made a bicycle with in-hub gears both at the crank and wheel?

I've got a hybrid bike with an 8 speed in-hub gear. I chose it because I didn't want to worry about the chain coming off or adjusting the derailleurs. It's been pretty bullet proof and given me no ...
3
votes
3answers
325 views

Is it better fitness-wise to ride at the maximum gear?

I just wanted to know if I will be doing more effort while riding at the maximum gear all the time, rather than changing gears constantly. My commute is an hour long, but I want it to be tougher on ...
4
votes
2answers
5k views

what does a 22 gear bike look like?

I read that road bikes on average have around 22 gears and mountain bikes up to 30-40. But my hybrid only has gears numbered 1-3 on the left hand and gears numbered 1-8 on the right, so my bike's a 8 ...
0
votes
2answers
82 views

MTB wont shift into 7

My new MTB wont shift into 7th gear or the smallest cog as some call it.I made sure it was in the 3rd cog on the left side to avoid chain crossing.Also there is a weird noise coming from the chain at ...
10
votes
2answers
18k views

Moving tfrom Shimano 9- to Shimano 10- speed

I'm thinking of changing the 9-speed Tiagra rear mech on one of my (road) bikes to something, still Shimano, but 10-speed. The obvious replacements I'll need are cassette, right-shifter and chain. ...
1
vote
1answer
3k views

How to reduce pedaling resistance

I brought my hybrid bike to Evans Cycles recently to get the rear gear mech replaced after I broke it. When I got the bike back, it was significantly harder to pedal. I tried moving my gears lower ...
4
votes
2answers
284 views

Derailleur Configuration - Anyone ever seen something like this?

Can't find anything on Google because I guess I don't know what search terms to use. I am wondering if anyone has ever seen a derailleur setup like I have drawn in the picture. It is NOT for ...
2
votes
1answer
3k views

Mountain bike, chain skips when force applied from stop or going uphill.

I am trying to diagnose my issue. I commute to work about 14 miles round trip per day 4 or 5 days a week. I have some hills and I also cross a 2 mile farm via dirt road. I have put hundreds of miles ...
4
votes
1answer
3k views

Pedals rotate backwards when I move the (rear) wheel in reverse direction

I recently bought a bicycle and am new to biking. So I decided to try it out on an inclined part of the road near my home. as I descended on the incline just after travelling a few metres I heard a ...
2
votes
4answers
8k views

Chain “vibrates” on higher gears

My freewheel that I have installed myself only 1.5 years ago has totally worn out by the moment and so I just had it replaced along with a chain at the workshop. I'm still concerned though about the ...
3
votes
2answers
397 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 ...
1
vote
2answers
391 views

Shimano 105 v Tiagra

I have a new Giant Fastroad, with 10 speed Tiagra, my old bike (7-8 years old) has 9 speed 105. I think that the 105 was smoother even on the old bike, would the 105 be compatible to fit to the new ...
0
votes
2answers
111 views

5 Gears usable out of 6

I have mountain bike which is around 1.5 years old. When I bought it, I used it without any hassles and all was fine. But one day I overshifted the friction shifter and the shifter was bent. Now it ...
0
votes
2answers
776 views

Bike keeps suddenly changes gears w/o me shifting

I've noticed that there are times that my bike suddenly changes gears, without me touching the shifters. It usually happens when I'm on a hard gear and I suddenly power out of a full stop, it pops ...
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 ...
1
vote
2answers
2k views

Can I attach SRAM trigger shifters to a 31.8mm braze on adapter?

I noticed that Paul's Components make an adapter that enables SRAM shifters to be mounted to a road bar by exploiting the Matchmaker system. I live in England so anything from Paul's is très expensive,...
1
vote
1answer
303 views

11-46 cassette with 48 chainring for commute bike

I'm building a new commute bike. Would like to consider the idea of using single chainring with 11-46 cassette. Looking at the ratio, 48 front with 46 rear should give me the climbing option I need. ...
0
votes
1answer
167 views

Which gear is this?

The tire on my bike below needs to be changed, but I am afraid of taking it off because of the internal seen below. My concern is that if I take the wheel off then I either break something in the ...
0
votes
1answer
631 views

Shimano Integrated ST-EF51 Shifter and Brake Lever

I have: Shimano Integrated ST-EF51 Shifter and Brake Lever (7-speed), on my stock Marlin 5. I'm having trouble shifting with the cassette (back Wheel gears). It seems I'm skipping a gear from 7 to 6,...
0
votes
4answers
1k views

Selecting a drivetrain for touring bicycle

I am planning to build a touring bike with a Surly LHT frame. I'm looking for some advice on selecting a drive train. My requirements are: Reliability - I am planning on doing weeks or months long ...
1
vote
2answers
174 views

Why can my rear derailer no longer shift between all 8 gears?

After a low-speed collision with a car. my LBS replaced my damaged rear derailer. Shortly after, I replaced chain and cassette (from a SRAM bundle) and the front chain ring myself, as I've done ...
-7
votes
1answer
456 views

Why don't we see this special progressive 3x5 gear setup being offered? [duplicate]

This question is not the same as the 36 gear post which used a combination of internal hub gears, cogs, and chainrings. This one is much simpler and much lower cost. Part of the problem of something ...

1 3 4 5 6 7 11