Gears in the drivetrain of a bike.

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4
votes
2answers
265 views

How should I select front and rear gears?

Just bought a Falcon Interceptor bike with Shimano gears - whatever that means. I've had bikes in the past but only those with one set of gears for the rear wheel. What's the need for front and rear ...
5
votes
3answers
340 views

What happens when a bike has not had maintenance for a long time?

I recently traded my Kent BMX bike I got from Wal-Mart: for a Ross road bike ). My friend tells me the bike sat in his back yard collecting rust, I see it has rust on the chain, the gears, brake ...
2
votes
2answers
80 views

Using a series of hub gears

I have an idea and I'm wondering if it's feasible. For an upcoming recumbent cargo touring build, I wonder if I could say use an 8-speed hub gear connected directly to an identical 8-speed hub gear, ...
1
vote
1answer
160 views

Can I change the rear cassette on a folding bike?

I currently have a folding bike (think Dahon like) with 20" wheels and a front chainring of 52T and a rear cassette of 14-24T. Although 14 provides me with good speed I'd love to get faster speed for ...
2
votes
1answer
365 views

How to get a replacement crankset gear for Dahon P8?

How can I get a replacement crankset gear for Dahon P8? It is a 52 T with 5 screws. I searched shops here in Belgium, but they have only an expensive whole assembly.
2
votes
2answers
190 views

Upgrading Bicycle Gearing

I have a Raliegh falcon touring frame, which I've been upgrading gradually as it's in good nick, putting modern componants on it. I've got to the point where the next thing I need to do is upgrade ...
5
votes
4answers
1k views

Can I increase my highest gear ratio?

I have a modern bike (ridgeback meteor '13) and It currently has a 21 speed shimano chainset. I find that going down hills (which I do a lot) and on flats I need a higher gear. Can I do anything to ...
2
votes
2answers
190 views

Chain repeatedly tries to click into place without gear change

While pedalling, every 10 seconds or so, the chain on my bike makes the sound it makes during a gear shift - it "clicks", as if it's clicking into place in the new gear. But there is no gear shift ...
3
votes
2answers
489 views

(Automatic Bike Project) amount of torque required to change gears?

I am planning to build an electronically controlled automatic bike transmission for my senior design project. I'm personally more of an electrical guy, so dealing with the mechanics is somewhat new to ...
6
votes
4answers
207 views

Electronic shifters

I have been reading alot about the electronic shifters that are out now, specifically the ones on TREK bikes. I was wondering if they are worth the price, and more importantly how do they perform.
4
votes
4answers
1k 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 ...
3
votes
5answers
337 views

Can I pedal my bicycle backwards to move it backwards?

Is there any changes I could do to my cycle so that I can make it move backwards?Just a question out of eagerness.
2
votes
1answer
107 views

Chain overshoots cog when shifting from low to high gears

Hi when shifting from low to high gears my chain is overshooting the cog and jumping into the next one. I tried turning the low limit screw outward to move the derailer in towards the low gears but it ...
1
vote
1answer
406 views

How long does a shifter, rear mech and front mech last?

I am talking about absolutely dirt cheap components which are non-branded. In terms of number of kilometres how long do they last? The bicycle is ridden on city and country roads and maintained ...
1
vote
2answers
8k views

How do I adjust my 7-speed Shimano SIS indexed shifter not to miss out one of the cogs?

I have a 7-speed indexed twist-grip gear-shifter, but it was set up incorrectly: it has eight positions, the fourth is where the numbers start showing, and while it hits the top and bottom gears, it ...
4
votes
4answers
614 views

Why can't the gear ratio be something like 100:1? Is it practically possible?

I am planning to develop a bicycle on my own for a competition. But the main requirement of it is that it must be able to develop a maximum speed. If I am able to cast the sprockets with gear ratio ...
6
votes
1answer
398 views

Shifters and internal gears

I have an Airnimal Joey with 8 (internal, Shimano Inter 8) rear gears. I wanted to install drops handlebars and the shifters. I got the Shimano Sora ST-3300-8 Right / Rear 8 Speed Shifter, which I ...
3
votes
2answers
274 views

When going up hills, my gears drop 2 to 3 slots. Is this my cable tension?

I own an old bike, with the old style gear shifters (levers). I have been trying to get the cable tension right. However, it seems to be getting worse. Whenever I am on a slight incline or just in a ...
1
vote
3answers
585 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. ...
5
votes
5answers
2k views

Compact crankset, how to use and criticality of cross chaining

I have a road bike with 50/34 compact crankset and 12/27 10sp cassette. While I don't think I could run a 53/39 one given the hills I happen to climb, but sometimes I get the feeling the right gears ...
4
votes
3answers
9k 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 ...
3
votes
2answers
3k views

How to remove rust from gears?

I have a 2 year old Diamondback bike with gears that have already rusted while living in the desert southwest. I'm not sure how or if they can be cleaned. Also, was something I should have done to ...
2
votes
3answers
274 views

Slippage Under Load [New Bike]

I got a new bike a three or four weeks ago and have noticed the issue arise this last week or two. When I'm going up a hill (or any heavy load), my gears will slip. I don't think it's moving ...
13
votes
6answers
5k views

What is the simplest way to lower the gearing on my touring bike?

I have a 2004 Jamis Aurora with a 52/42/30 triple and an 11-32 cassette in the back. 30x32 (25.3 gear inches) being the lowest gear is frustrating for the hilly terrain where I live (e.g., 7% grade ...
4
votes
1answer
872 views

Why is 2nd largest rear cog making clicking noise?

I have constant clicking noise from the 2nd largest rear cog on my cycle. It starts as soon as I shift into the 2nd gear either from 1st or 3rd gear. I have checked the following things - 1. Cable ...
3
votes
1answer
328 views

Direct Mount with top and bottom swing?

I want to buy a new frame that supports Direct Mount. Now I read that Bottom Swing is preferable for hardtails. At the same time, it was also mentioned that Bottom Swing is mounted higher onto the ...
5
votes
4answers
486 views

Wrong bike gear

Recently I discovered that my bike's back gears are shifted two gears off constantly. So when it says I'm in 1st gear I'm actually in 3rd and when it says I'm in 2nd I'm actually in 4th. The shifter ...
1
vote
3answers
173 views

Compact gears and chains

Wanting to know if you can use a compact crank and also use a compact cassette , I have placed both on my bike but the chain seems to be at the extreme when placing the chain in the smallest gear and ...
9
votes
7answers
11k views

What range of sprockets is useful in a road bike cassette?

My road bike currently has a 27/39/53 crankset and a 13-26 cassette, both of which need to be replaced. I occasionally find myself in both extremes—while heading up the very steep hills of the Bay ...
3
votes
1answer
496 views

Can't change into the largest sprocket on rear derailleur

I bought my first road bike recently, and I've noticed I can't change into the largest cog/sprocket on the rear derailleur because when I pull the shifter the chain is pushed into the side of the ...
0
votes
1answer
608 views

What tension should the front derailleur cable be when setting it up?

I'm attempting to setup my front derailleur. I've slackened off the cable, adjusted the L screw so the derailleur just clears the chain. What position should the adjusting barrel on the handles be set ...
3
votes
4answers
3k views

What cassete do I need to run with a compact crankset (50/36), to equal the same gearing as running a standard crankset (53/39) with a 11-28 cassete?

Every new bike in my price range comes with a compact crankset, which I want for climbing, but I race and I need to keep the same top speed that I've had for sprinting and descending (I live in the ...
0
votes
0answers
93 views

How can I prevent “chain suck”? [duplicate]

I know what the above is: when your chain bunches when you change gears & the bunch runs through the front derailleur and wrenches it. This damage is pretty much irreparable, and has cost me far ...
4
votes
2answers
280 views

Are there any tricks or pitfalls in timing gear changes?

I have noticed that my bike sometimes changes gears incredibly smoothly—quietly, quickly, very little 'jolt' through my pedals—while other times I get a rough, clunky change. I'm wondering if there's ...
4
votes
1answer
788 views

Why doesnt my chain fit on my cog?

I ride a fixed gear bike and I wanted to change the rear wheel, I'm sort of new to all the bike knowledge but i couldn't find an answer to this. i ride 46 x 18, i don't know if its good or bad, i can ...
4
votes
2answers
389 views

Weed-eater bike conversion - Safe rpm?

I've recently started working on retrofitting an old bike with an even older weed-eater engine. The engine will sit atop a bicycle rack and directly drive the rear wheel tire (engine has a built-in ...
2
votes
1answer
150 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
833 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
286 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. ...
1
vote
6answers
2k 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 ...
0
votes
2answers
184 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
191 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
108 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
394 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
126 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
290 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
964 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
1k 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
923 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
256 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 ...