Gears in the drivetrain of a bike.

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2
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1answer
299 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 ...
1
vote
1answer
131 views

Converting 80s bike to indexed shifters

I've just bought an early 80s steel framed bike with unindexed stem mounted shifters. As I plan to use the bike for commuting, I'd like to change the rear mech to use trigger shifters. I'm not so ...
1
vote
3answers
137 views

Is it typical for the front and rear gear levers to be reversed?

I recently purchased my first bicycle since I was a kid. The bike I bought has individual gear levers for shifting up and down for both the front and rear gears. I thought it was odd that these levers ...
1
vote
2answers
230 views

Bent front-derailleur

I biked to school today with my bike in perfect condition. Locked it up and went to class. When I went to my bike a couple hours later, the derailleur was bent out of position. My bike's front gear ...
6
votes
6answers
2k views

Unable to pedal when in high gears

I'm a complete novice with bicycle maintenance and have a slight problem. I just picked up a 2nd hand bike as taking part in a charity event this weekend and an unfortunate accident meant my mine was ...
0
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4answers
2k views

gears slipping after a chain change

I have a Lappierre Zesty 314 (2012). I'm running xt rear mech, a slx front mech, and my crank is xt and rear cassette is xt and xt chain. I went to the forest of dean and after the day was over I ...
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2answers
2k views

Can't shift front gear, despite loosening, tightening, etc. What could be wrong?

Disclaimer: I'm clueless and am piecing together what little information I know from reading this site and from watching YouTube 'intro to repair' videos. I've been gifted a used mountain bike, my ...
1
vote
1answer
56 views

Is it possible to upgrade Shwinn Willy to use an internal gear hub?

I have a Shwinn Willy (single speed). My commute is 6 miles each way on flat road with a bike section. There's only one 'hilly' section. A single speed bike is too slow. Everyone keeps passing me. I ...
2
votes
1answer
142 views

Choosing chainring configuration

I'm interested in how I would choose a chainring configuration, supposing I was either replacing mine or building a new bike for a similar usage. I have a 50/39/30 triple chainring (& 10-speed ...
0
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1answer
66 views

What other parts might need replacing if I replace an old freewheel gear set for a modern freehub cassette?

I currently have a pre 1970s 10 speed Claud Butler. Perhaps back then men were real men but there is no climbing gear. Since I mostly do touring this is a bit of a problem. Finding a new freewheel ...
0
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1answer
112 views

Scott S30 road bike 11speed with 10 speed compatibility

I have a Scott S30 bike currently running a shimano 105 2x10 speed 50-34 crankset, shimano 105 10 speed front shifter and 10 speed cassete and chain. I have a new crank that i want to install, the ...
3
votes
2answers
59 views

Chain wedging itself between cassette and gaurd

Ok, so, basically, the rear cassette on my bike is giving me a lot of problems, and I'm not exactly a professional cyclist who would know where to begin so I thought I'd ask here; The problem seems ...
1
vote
1answer
243 views

How to check if the gear shifter or the gear itself is broken?

I'm not a bike expert so I'm not sure if I'm using the proper terminology here. So I bought a used city bike. It's the first time I see such gear and such a bike actually. It looks almost like this ...
3
votes
2answers
819 views

Adding front derailleur vs upgrading the rear one on a (ladies) bicycle

What I want to achieve is going from having some gears to having more gears. To be more specific I would like to get more gear ratio range in both low and high end. First of all I tried to look for ...
0
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2answers
129 views

How to fix gears on a Kilimanjaro bike

I've just bought a Kilimanjaro bicycle for cheap. One reason it was cheap, I expect, was the gears system. It's only partly functional, and I don't understand why. I would go to the bike shop with it, ...
1
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1answer
439 views

Is reverse pedaling good for smooth gear change?

I am newbie for cycling. When I change my gears, some lock sounds are coming from the chain. But if I do reverse pedaling while switching gears. No sound form chain, but gear switched to the right ...
0
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2answers
131 views

Is it possible to shorten a chain?

I have the following chain/gear setup: I like to get rid of the rear wheel gears. However I don't want to buy any new parts. That is why I am wondering if I simply can remove all the parts from the ...
1
vote
1answer
1k views

Gears jumping/slipping from the rear cogset on a new bike

Its been 1 month since I have bought my new MTB (Kross globate 1.1) with 18 gears (shimano).. Now the problem is chain has slipped twice while riding. First time my speed was around 25kph and second ...
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2answers
64 views

Restoring a 16"

This here is my 16" bike which I'm going to at least try restore. I've put some wider bars on it, fixed loose things etc. My friend removed the pedal back but I don't think he has put it back ...
2
votes
3answers
874 views

Townie gearing suddenly too easy

So the rear wheel (26x2) on my Electra Townie 7d broke its axle, and I ended up replacing it with a new 26x1.5 wheel, that being what the LBS had in stock. The bike seems a bit faster, which is nice, ...
5
votes
5answers
3k views

Gear indicator on SRAM X5 Shifter shows wrong gear

I have SRAM X5 Shifters like this one: The indicator is now showing the gear above the one I'm actually in, so if like the picture it shows a 2 I would actually be in 1 (the smallest chainring), a ...
1
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2answers
2k 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 ...
24
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6answers
2k views

Can you shift both the front and back gears simultanously?

Is it advisable to shift both the front and back gear simultaneously? Can this cause any damage?
0
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1answer
97 views

Best Gear Shifters [closed]

I am new to Bicycling. I have a question on gear shifters. Mostly the bikes are available with Revo Shifter and EF Fire Shifters. Which one of these are best and why it is?
1
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2answers
270 views

Which gears not to use in a 2 X 9 gear bike

I am new to biking. I bought a hybrid bike with 9 gears at the back tire and 2 gears at the front. For reference lets say gears at front (chain ring) are numbered 1-2 and gears at back are numbered ...
0
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1answer
59 views

Winter deraillers [closed]

I commute all Winter long on my Winter bike and I realize I don't use many gears. The back derailleur gets jammed with salt, dirt and other debris. I'd like to build a bike with fix gear at the back ...
3
votes
2answers
9k views

How do the adjustment barrels on a gear cable work?

I have a Shimano Sora derailleur on the bike I just bought with a triple chainring in the front. Right up by the shifters there is a sort of barrel adjuster on the cable. It doesn't seem to do ...
0
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1answer
165 views

What to prepare for a long distance ride (1600km) [closed]

I will be riding my bicycle from Czech Republic to London this April. Even though I cycle quite frequently, this is my first time I will be doing such a long distance. I am not doing this for ...
1
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2answers
812 views

Would a quality derailleur improve a cheap bike

I bought my son a cheap mountain bike last week, it did 2 miles before the chain mashed up the drailleur. is it worth replacing with a better quality component. im a novice , but handy enough to ...
0
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0answers
156 views

Shimano Nexus 3 stuck on lowest gear

I have a bike with Shimano Nexus 3 gear, and it's stuck on lowest gear. However, if I move shift pin that changes gears it changes the gears. So Nexus itself seems to be working, but the pin is not ...
6
votes
4answers
21k views

Why does my gear slip when going uphill / standing?

I have a road bike that I use to commute ~6 miles to work every day. Some of the portions of the ride are at a steep incline, and I've noticed that when I get up to stand on some of these hills, my ...
0
votes
2answers
850 views

8 speed shifter with 7 speed cassette

I just got a bike with broken hanger and derailleur. As the owner didn't want to put money in good parts, I installed a cheap Sunrun derailleur compatible with index, and a new hanger. Just after I ...
1
vote
1answer
368 views

SLX chainring compatibility

I'm considering swapping the inner ring on my SLX double chainset (M665) from 22T to 28T. I noticed that the newer M675 has a 40/28 option, so I figured that the 28T chainring from this set-up would ...
1
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3answers
1k 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 ...
0
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2answers
166 views

Chain is choking and pedals fly forwards when going up hill or standing on the bike pedals

I have a 2 month old Vodoo Bizango from Halfords in the UK. I have had this problem about 2 weeks into having the bike where if I'm on the highest gear and want to do sprints (standing on the pedals) ...
0
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1answer
67 views

The spring in my front dérailleur is jammed

My front derailleur is jammed by dirt (grease + fine dust), because of this the gear doesn't shift perfectly and chain is thrown off the cog. The spring is a bit unreachable because the derailleur arm ...
2
votes
1answer
227 views

Most Efficient Way to tune rear gears of mountain bike

I have a schwinn ranger suntour mountain bike which I enjoy riding and ride frequently. When the bike was new I had no difficulty shifting through all 21 speeds of the bicycle with 3 gears by the ...
3
votes
8answers
5k views

How to position a bike for work without a stand

I want to tweak my gears, from time to time: Adjust my front and rear derailleur limits, see if the shifts are smooth, make small adjustments on the cable tension, and so on. Is there any way to get ...
1
vote
3answers
531 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 ridding it earlier when the peddling stopped resulting in forward motion. I thought the chain might have come loose but it is ...
3
votes
1answer
461 views

sram cx1 without the sram cx1 crankset?

I'm thinking of upgrading to sram cx-1 and discs for next season but would like to keep the current crank set based power meter I have. Can anyone think of a reason why I could not use the current ...
34
votes
5answers
52k views

What are the pros and cons of internal gears?

I've had my hybrid 24-speed for a bit over 3 years now, and just last weekend, when looking for a bike for my wife, discovered internal gears. Suffice to say it blew my mind when I saw 7-speed ...
1
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3answers
173 views

Rear shifting - Unable to shift to toughest gear

I was adjusting my rear shifting following the advice in this video: It was when I took off the wire tension and screwed the high limit all the way out that the chain ...
0
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2answers
233 views

Gears randomly switching

So I have a Trek Fuel SLR 90 and whenever I ride on flat dirt roads, the back gears randomly keep switching on me. It gets really annoying to ride Please help
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3answers
3k views

Can I drop-in a compact crank set with my current 105 groupset

I live near a lot of hills and am fairly new to biking. In my lowest gear I still can't keep up at an efficient pedal rate on the hills. I found out they sell "compact cranksets" which in addition ...
0
votes
2answers
243 views

Upgrading rear derailer and cassette

I recently got what most people would consider a cheap and toy road bike as a gift. It came with very primitive RD and cassette (shimano SIS? I think). I enjoy upgrading my stuff, my question is, ...
1
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2answers
331 views

Is it normal for the chain to slip in an 'extreme' gear?

My bike's recently been in for a service so afterwards I checked that all the gears are shifting and working properly. As part of my testing I put some power through the cranks in the photographed ...
2
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2answers
254 views

How do you make an end-capped gear cable?

I want to make my own gear cable of non-standard length. I have a cable with one end capped like the larger end-cap shown in the first picture; the other end is currently bare — I have trimmed the ...
0
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1answer
160 views

My Gears Are not Shifting Well

my gears are not shifting well. i can only shift from 1st to 2nd...i don't know what is the problem i have shimano revoshift gear enter image description here here are some images
2
votes
1answer
98 views

Gearing on drivetrains

I am running a tiagra compact 50/34t front with a sora 12/32t rear, I am still finding the long steep hills a problem, is there a alternative available without going tripple. IE lower front chain ...
4
votes
3answers
19k views

Can I fit a cassette with a larger range with my Shimano Tiagra 10-speed ( GS-4600) derailleur?

I'm currently running a 2x10 shimano tiagra 10-speed drivetrain with a 50/34 compact crankset, a 12-30 rear cassette, and a Shimano Tiagra GS-4600 derailleur (that's medium cage aka road long cage) on ...