Gears in the drivetrain of a bike.

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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 ...
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0answers
27 views

OlderBike Newbie [on hold]

Just bought Specialized Low Entry Sport with 7 gears. Shimano Tourney Revoshift. Right shifter shows 7 speeds and the Left shifter only shows L and 2 - no 3. Is this correct?
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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 ...
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1answer
60 views

Front and Rear speed shifters aligment guide

How to align the front and rear speed shifters ? My chain dropped from the front chain ring, and I put it back on the first gear I found, then the rear one fall off, and I put the chain back on the ...
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3answers
161 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 ...
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2answers
77 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 ...
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1answer
66 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 ...
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1answer
88 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 ...
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0answers
39 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 ...
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1answer
52 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 ...
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2answers
59 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 ...
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3answers
87 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 ...
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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 ...
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1answer
32 views

SRAM compatible 11 speed 12-25 cassette?

I'm looking for an 11 speed 12-25 cassette compatible with a SRAM drivetrain, however I don't think SRAM makes one. They list specs for their 11 speed cassettes as follows: 11-25: ...
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1answer
42 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 ...
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1answer
107 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 ...
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1answer
51 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 ...
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1answer
63 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 ...
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2answers
49 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 ...
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1answer
71 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 ...
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2answers
102 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, ...
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234 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 ...
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2answers
97 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 ...
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2answers
61 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 ...
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2answers
279 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 ...
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2answers
316 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 ...
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2answers
150 views

Can't shift to gear one or two

I had an issue where every time I put my bike in gear 3, it would just keep "skipping". By this I mean that it wouldn't stay in gear 3; the chain would go onto it, then fall onto gear 4, then go back ...
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1answer
67 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?
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2answers
136 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 ...
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1answer
55 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 ...
0
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1answer
109 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 ...
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2answers
2k views

Special hub requirements for an 11-speed group

In a question earlier today (Changing cassette from 8 to 10 or 11 to meet the Shimano 105 5800 groupset) the Op asserts that they would need to change their hub, if they wanted to go from a 10- to 11- ...
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93 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 ...
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2answers
513 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 ...
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3answers
224 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 ...
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3answers
124 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) ...
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1answer
175 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 ...
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3answers
613 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 ...
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1answer
144 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 ...
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1answer
66 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 ...
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3answers
251 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
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1answer
308 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 ...
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3answers
104 views

Rear shifting - Unable to shift to toughest gear

I was adjusting my rear shifting following the advice in this video: ...
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3answers
2k 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 ...
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2answers
182 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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2answers
179 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 ...
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2answers
146 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, ...
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190 views

What to upgrade to achieve a higher top speed?

I enjoy going fast and my current bicycle tops too early, what kind of upgrades would I need to make to achieve a taller final gear?
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139 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
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1answer
96 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 ...