Gears in the drivetrain of a bike.

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2
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1answer
175 views

Raleigh AT20 series bottom bracket affects derailleur

I took out the bottom bracket to clean it etc taking off the pedal shafts etc - and when it came to putting it back - the front derailleur was well out of adjustment - Have I done something wrong>- ...
2
votes
2answers
1k views

Beside drive train, what is the difference between group components (e.g. 105 vs. Ultegra)?

In his previous post, jmusits asked the difference between the Shimano 105 and Ultegra drive train. Obviously, the derailleur is certainly one of the major components of a group. However levers, ...
0
votes
1answer
597 views

Slow switching up higher gears

I have a fairly new MTB and I'm currently trying to tune the gears. Currently I can change down gears pretty smoothly I.e. 6 > 5 > 4 etc but going up the gears is slow for the chain to switch cogs. ...
0
votes
2answers
244 views

I need to change my bike from UK to US Spec

I bought a bike from the UK. The brakes and shifters are on the opposite sides. I want to change it so the front brake is on the left and the rear is on the right, Same thing for the shifters. I ...
0
votes
1answer
249 views

Do faired recumbents need more gear range?

I am researching into faired recumbents, bicycles or trikes, such as the Velomobile Quest or the Sunrider. I'm interested in cycling long distances as a daily commute and for touring, but have no ...
2
votes
1answer
124 views

how to fix gear ring that over-jumps

I am pretty new here, and I am not acknowledged with the bicycle terminology in English, so this topic might be a duplicate. Sorry in advance. So, when I put more pressure while pedaling, the chain ...
3
votes
4answers
408 views

Does never using the easy front gear give a better workout?

I have a road bike with a 52/36 crankset. I make it a point to never use the easy gear because I think that it gives me a better workout when climbing hills. Another reason I don't use it is because ...
4
votes
1answer
156 views

How to check the gear before renting a bike?

I don't own a bicycle. Whenever I go cycling, I would need to rent one. The first thing that I always check is to see if the brakes are working properly. Sometimes, I have no idea that the gear is ...
5
votes
1answer
503 views

Number of gears for a racer

I am looking to upgrade my racer, I currently have a Bottecchia racer from the mid-80s and it has 14 gears. While looking around for newer racers I noticed that a number of them had 20 gears while ...
3
votes
5answers
1k views

Are single-speed bikes better equipped to handle cog/chain wear?

I need to decide between a single-speed and multiple-speed bike. I usually ride multiple-speed mountain/city bikes in the highest gear anyway (around town). They're not intended for that, and doing ...
1
vote
3answers
2k views

Gear up-shift not smooth

When I am pedaling hard and shift to a larger sprocket, the shift is not smooth or sometimes doesn't happen at all. Sometimes even double up-shifts don't work. There is no problem shifting when I test ...
5
votes
3answers
2k views

How can I increase the highest gear ratio?

I am looking for some higher cog front gears for an old bike I am considering. I've been away from it for some time and don't know the current number of cogs on the front ring, but I am looking to ...
1
vote
2answers
342 views

Does new chainring require change of other parts?

I'm thinking about changing my 2nd chanring to a smaller one (2 chanring setup). I hear most people recommend to change the chain when changing the cassette. Hence my question: should I expect to ...
3
votes
2answers
2k views

What is a better gearing combination for downhill?

One of the tracks I've been riding recently is testing both my skill level and my bike. The track is a combination steepness and roughness that makes it significantly different to what I've previously ...
4
votes
2answers
729 views

Different Gear Type when there's no Front Derailleur?

I have a 7 speed Jamis Boss Cruiser, 7 gears in back and one up front. I've been using it fine for several months now. Lately, the chain is coming off of the single front gear, usually after stopping ...
5
votes
2answers
8k views

Upgrade Shimano from 9- to 10- speed

I'm thinking of upgrading 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. ...
4
votes
4answers
7k views

Why are there almost no bikes with a single chainring?

Bikes with two or three chainrings are the norm, and then there are singlespeeds, but except for kids' bikes, you see almost no stock bikes with a single chainring in front but a cassette and ...
11
votes
3answers
2k views

How to avoid wearing out gears?

I have a Specialized Tricross which I bought new last year. In that time (approximately 1K miles), I wore out my chain and gears. At least two of my gears are still slipping, even with a new chain. ...
1
vote
3answers
314 views

Refitting Cable to Rear Derailleur

Whilst riding recently the cable slipped from the clamp on the rear derailleur. I'm attempting to affect repairs by re-clamping the cable. However by pulling the cable tight I have lost the bottom 2 ...
2
votes
1answer
1k views

Can I add gears on a bmx?

Just asking if it is possible. My friend added gears, but won't it damage the look or my cycle?
3
votes
3answers
4k 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 ...
6
votes
4answers
777 views

Comparing gear ratios on different bike types

How can I compare gear ratios on different wheel sizes? How can I compare gear ratios on MTB with tracking bikes with bigger wheels? How can I compare gear ratios with gear hubs?
5
votes
4answers
3k views

Chain skipping on some gears

I have an old cruising bike with 21 gears. A few months ago I was pedalling back home when my chain broke, and I was only able to get the chain replaced this week. After having it replaced I noticed ...
1
vote
1answer
1k views

Mixing 9-speed Tiagra and 9-speed Deore XT

I currently have a road bike with the following setup for the gears: 9-speed Tiagra front and rear derailleurs, Sora shifters, all from 2009: 30/39/52 Crankset 11-25 Cassette. I need some more low ...
3
votes
1answer
203 views

What tricks do you use to avoid damaging cables when adjusting the gears?

I was trying to adjust gears, and being my first time, I ended up damaging the cable. I mean that I "smashed" it, the threads became apart, and it was dangerous to deal with it. I replaced the cable, ...
6
votes
2answers
489 views

Switching to Lower Gears for Climbing

Right now, I've got a SRAM 11/26 cassette. I just moved to San Francisco, and some of the climbs out here (e.g., Mt. Tamalpais) are pretty brutal with over an hour of climbing. My cadence over some of ...
4
votes
2answers
758 views

Can you reverse the sprockets on a cassette to lengthen its lifespan?

I know my bike's rear cassette needs replacing, but before I do that, is it feasible to dismantle the 8 sprockets to reverse their spin? Can you increase the lifespan of a cassette by letting the cogs ...
8
votes
1answer
823 views

Setting chain length

My chain broke and in a moment of silliness (I was cold wet and slightly annoyed) I threw the broken one away before thinking about measuring the new one. Is there a guide to getting the chain ...
4
votes
3answers
21k views

Heavier Thicker Chains and Gears for Winter due to Salt?

I have two bikes: one having gear-things outside and one with inner-hub. The gear-outside-bike has suffered a lot due to the salt during this winter, the other hilariously looks like a new one. I ...
7
votes
1answer
1k views

I find that I'm always in my highest gear. What options to I have to re-distribute the ratios to a more useful range

I have three gears in the front and 8 in the back, but I always use the highest gear (I live in a flat place) I might drop down one or two gears occationally but this is only a small fraction of the ...
9
votes
4answers
4k views

How to fix front gear taking 2 shifts just to move onto next cog

I was out on a ride yesterday and several times when I was changing up and down between big chain ring and little chain ring (I only have the 2 rings up front) it required 2 gear changes. The gears ...
1
vote
1answer
2k views

Bicycle slipping gears on middle sprocket gears 4-7

I see lots of questions on gears slipping but not sure it's the same as what I have. Out of 21 gears I only have problems with 4 (middle sprocket (2) on left shifter gears (4-7) on right shifter). ...
6
votes
3answers
6k views

What is the impact of changing to a smaller chainring?

My road bike has a Campagnolo Veloce gearset. It's running 53 and 39 tooth chainrings. I have a 13-25 10sp cassette. I find that a lot of the time when I'm cruising, I'm on the big chainring and in ...
0
votes
2answers
220 views

Unable to change from 14th to 7th

I've got a bike that I have had for about 8 weeks and it has already been back to be serviced twice. It's just returned from the second service and I've noticed that it is not shifting from 14th to ...
2
votes
1answer
278 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
2answers
651 views

Make a 3-gear bike go easy on uphill

I want to see how can I make this 3-gear bike go easier on uphill. It has an internal gear hub. I don't know much about bikes but I'm thinking if I can merely replace the hub for one with 14 gears ...
3
votes
1answer
299 views

Should I have a spare cassette or a spare wheel?

I have a road bike that I use for triathlons as well as club rides in the evenings and on weekends. I don't have the bike in front of me, but the range of the cassette is on the low side. I'm more ...
1
vote
2answers
8k views

Will a 9 speed front derailleur work properly with a 10 speed sprocket?

I am pretty near done my current bike build project, just missing a front derailleur. I can't think of why front derailleurs would need to be compatible with different numbers of speeds, given that ...
6
votes
3answers
3k views

Why does my bike stick in low gears?

When I change into a low gear (i.e. onto a bigger cog) on my back cog all is fine. However, when I later change up again the chain sticks on the larger cog. I commute about 10 miles a day and this has ...
4
votes
3answers
2k views

Efficient gear shifting

I've recent purchased a road bike bit of a classic with the downtube shifters, lugged steel frame etc etc. Before I mainly road my fixie, thou I do have another geared bike, but it left a bit to ...
1
vote
2answers
518 views

SRAM force rear shifts go in the wrong direction when on largest cassette

I got a new bike about 6 months ago with SRAM Force on it. It's my first time riding SRAM and I love it except for one thing: If I'm climbing and my RD is shifted all the way up ( to 28-tooth ) and ...
6
votes
4answers
3k views

What difference does the range of gear size matter?

I get the idea of ratios and the obvious that a smaller gear on the front and a larger one on the back will give you an easier end result but what difference does the range of a chainset or groupset ...
2
votes
2answers
777 views

Converting downstem shifters to barcons

What considerations should be made for converting a downstem shifting system to barcons? Both the current system and the system that I would like are friction shifters. The bike is a 1986 Peugeot ...
3
votes
1answer
884 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 ...
2
votes
2answers
1k views

Maintenance/Upgrades for Gary Fisher Joshua MTB

Let me start from the beginning: About three years ago, I broke my leg after buying a Gary Fisher Joshua MTB, when I was just getting into road and cross-country riding. I've only started riding ...
1
vote
2answers
3k views

Will 10 speed cranks work with an 8 speed freewheel?

I'm looking at building a road-bike, and I've just purchased some wheels with campagnolo hubs, with an 8 speed freewheel on the back. Can I use Campagnolo Daytona / Veloce cranks on the front? I ...
1
vote
2answers
13k views

Difference between Shimano HG51 8-Speed Cassette and Shimano HG50 8-Speed Cassette

Can anyone tell me the difference between Shimano HG51 and HG50 8-Speed Cassettes? I can't find any information online about this so was hoping someone might be able to help me. I am looking to ...
1
vote
1answer
291 views

Bicycle is Having a hard time Shifting — especially gears 13 and 14

21 speed commuter bike. Raleigh 2011 brand. After my gear shifter cable was broken, I took it into the shop to get it fixed. (4 days ago). Ever since, when shifting, it takes forever to actually ...
1
vote
3answers
16k views

How to fix problem with mountain bike chain falling off gears?

The chain on my girlfriend's bike came off the front gear today, it looks like the back gear changing mechanism isn't handling back-pedaling properly, whenever she pedals backwards the chain slacks ...
4
votes
3answers
8k views

Adivce on what to do next with crunching / slipping gears

About two weeks ago I took my bike to the local bike shop to get serviced. It was previously slipping gears under load and at the end I couldn't use the lowest gear going up hill it would just slip ...