Gears in the drivetrain of a bike.

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1answer
27 views

How to fix the tension in these shifters?

I have these shifters in my old bike and it has problems with the gears because the shifter for the front gears doesn't change the gears at all. It seems like a tension problem. So I need to make the ...
3
votes
3answers
179 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 ...
1
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0answers
33 views

choosing a dahon bike [closed]

What range of gears do Dahon bikes have? And what names (models) are associated with those numbers. I'm interested in more gears, so I can ride quickly on flat ground and still climb hills.
3
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2answers
253 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 ...
1
vote
2answers
134 views

Can I install a double chainset on a bike that was originally designed for a triple chainset?

I have a BTwin Triban 3 which has a triple chainset that needs replacing. I am thinking of replacing it with a double chainset this time. Is this possible, or do I need new shifters and a different ...
14
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5answers
3k views

Always cycling in highest gear, why?

For all my life I have noticed that I always cycle in the highest gear (most of my bikes had at least 3x7, so it wasn't a lack of options) whilst most serious cyclists cycle on relatively low gears ...
7
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9answers
36k views

Chain slipping on newish bike

I've looked at most of the answers for related questions and they all speak about replacing parts that are old. I just bought a new bike from a friend who rode the bike for about a month before ...
3
votes
1answer
112 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 ...
2
votes
1answer
91 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 ...
1
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1answer
31 views

I have an old Sugino 110mm BCD ring set, can I replace low ring with SHIMANO FC-5650 chainring 34T?

I have a 48 tooth main ring with 165 cranks. FD is Sora double and rear is Tiagra short with Shimano 7 freewheel. If I can put this 34 ring on it gives me sufficient range for the next few months and ...
1
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1answer
106 views

I've decided on Bar End Shifters for my Vintage tour bike rebuild. I think I've got it down to these. Any reason to choose one or other?

The contestants: Shimano SL-BS64 Ultegra Bar End Shifter Set (8-Speed) and Dia Competition Grand competition ENE bar end control. Seem fairly similar and both well loved. I'm aiming at pairing ...
2
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3answers
269 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
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3answers
2k views

what will happen if I change gears on a mountain bike at a standstill? Will it break?

My boyfriend just bought a brand new bike and was trying to teach me to ride it, and (I, being a complete noob) when I was standing with it I messed with the gears using the handle at a standstill. ...
7
votes
6answers
1k views

Group of Bikes: Is 3x1 an option?

I'm an RA for a dorm that is considering buying a number of bikes that would be owned by the dorm and lent out to students. I will be at least in part responsible for maintaining the fleet (about 10 ...
2
votes
3answers
351 views

(racer) Standard vs compact crankset: Increased leverage for same gear ratios true?

I'm a road and mtb regional racer about to have a go at my first road endurance nationals very soon. I'd like some educated scientifically validated answer on a matter that has been on my mind ever ...
2
votes
1answer
2k views

Shimano Nexus Inter-3 internal gear hub stuck in second gear?

The situation My Shimano Nexus Inter-3 internal gear hub is stuck in second gear (it's a 3-gear hub). When I take the external cable housing apart, I can move the pin that goes inside to change gears, ...
2
votes
2answers
109 views

What gears should I go for?

I have a Trek road bike (although you might call it a hybrid since it has straight handlebars. I do about 3,000 miles per year on it for general health reasons (up to 30 miles at a time and averaging ...
2
votes
1answer
100 views

My rear cogs (not sure on the correct name) turn at force even when stationary.

I got a new bike and was riding it home and every so often it felt like the chain wasn't there and my feet pedal a little faster and then all of a sudden it would go back to normal. I looked in to ...
2
votes
1answer
353 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
165 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
176 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
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2answers
294 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
3k 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 ...
1
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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
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1answer
68 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
148 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
69 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
118 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
61 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
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1answer
329 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
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2answers
1k 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
137 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
499 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
144 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
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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 ...
1
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2answers
65 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
924 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
vote
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
105 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
314 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
10k 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
183 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
946 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
188 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 ...
7
votes
4answers
23k 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
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2answers
1k 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 ...