Gears in the drivetrain of a bike.

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4
votes
3answers
2k 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 ...
4
votes
1answer
582 views

Is my front derailleur angled straight?

I am attempting to adjust my front gears and have also been following a video to adjust the high/low position of my front derailleur. The issue I am having is that the low adjustment is no where near ...
4
votes
1answer
156 views

Replaced tyre and tube, now the rear gears will not stop

Just put on a tyre and innertube, fits perfectly, but now when I stop pedalling the gears at the back keep moving so the chain just sags down so much that it hits the wheel etc. Any ideas on how to ...
4
votes
2answers
180 views

Switching from 3x9 Gears to Cheaper Ones?

Alert I am unsure of the right terminology for gear-wheel but I mean the round things near pedals such as 3x9 or typically with 3x7 (3 front, 7 back) mix in commuting bikes. My current gears are 3x9 ...
4
votes
2answers
291 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 ...
4
votes
3answers
11k 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 ...
4
votes
1answer
961 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 ...
4
votes
2answers
445 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 ...
4
votes
1answer
129 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 ...
3
votes
4answers
396 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 ...
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 ...
3
votes
2answers
605 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
2answers
2k views

What's the shortest / easiest “granny gear” available?

What's the range on granny gears - the innermost, smallest front chainring?
3
votes
3answers
241 views

Rear index shifting not staying in middle gears

I have replaced a chain (SRAM PC 830) and 7 speed freewheel (Shimano MF-HG37) on the back of my daily commuter bike about 300 miles/ 3 weeks ago with the same models. The old parts lasted me 4000 ...
3
votes
1answer
167 views

Are the numbers on a shifter standardised?

My bike has several gears labelled one to six. Do these numbers relate specifically to a certain standard? In other words, would a bike set to say gear four on one bike, perform in the same way as ...
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 ...
3
votes
3answers
153 views

Shifting can't keep up with my acceleration

I noticed that when I really give it hell after stopping or riding slow (I do that all the time on commute), I have to shift two gears at a time in the lower gears, to keep up with my acceleration. I ...
3
votes
2answers
277 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 ...
3
votes
1answer
137 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 ...
3
votes
1answer
245 views

Is it a good idea to switch to hub gear?

I have a Firefox Roadrunner Pro. I wanted to know if it was a good idea to install an internal hub gear on it. I want to install it to reduce dust accumulation and oiling and to simplify the ...
3
votes
5answers
398 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.
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 ...
3
votes
2answers
1k views

Mounting a 7-Speed Cassette on an 8/9 speed hub

I asked an earlier question regarding putting modern road wheels on my old steel frame. After clarifying a few things the main issue to me is the number of gears on the freehub. (The freehub I'm ...
3
votes
1answer
172 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, ...
3
votes
2answers
6k 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 ...
3
votes
2answers
280 views

Rear gears don't turn anticlockwise

I've taken the rear wheel off my bike but the rear gears are stuck and do not spin freely anticlockwise. It had been out of use for about 4 days, kept in a dry garage. I took the wheel off because it ...
3
votes
1answer
4k views

What are the advantage of the different gear shifters

I have just buy for the first time a road bike (Boardman Team Carbon) after long years on hybrids bike and unfortunately due of a injury I didn't have much time to experience with it. The bike has a ...
3
votes
1answer
172 views

What are the pros and cons of different types of shifter cables?

What are the pros and cons of regular and slick gear/shifter cables? I just want easy gear changing. I have shimano gears if that helps. I know the difference between them, but I want to know some ...
3
votes
1answer
258 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 ...
3
votes
1answer
742 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 ...
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 ...
3
votes
1answer
536 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 ...
3
votes
3answers
3k 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 ...
3
votes
4answers
177 views

Bike gears not shifting how they should

So I've not cycled in a while but my step dad was using my bike and he has a habbit of breaking stuff. I have since decided to start cycling to work again and I replaced various parts due to rust etc ...
3
votes
2answers
569 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 ...
3
votes
1answer
340 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 ...
2
votes
8answers
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 ...
2
votes
4answers
179 views

2,600km on an 8 speed bike?

I am about to go off on a 2,600km tour from Austia through Italy, finish in Malta. I originally planned to do this solo trip on my Giant Trance x2 full suspension but decided not to since it is too ...
2
votes
2answers
317 views

Has bicycle gearing become 'easier' over the last few decades?

If you look at a 10-12 speed bicycle from the days before indexed gears you have a 27"/700c wheel with a 42/52 chainset and a 14-28 freewheel. At the time such a setup was standard for High Street ...
2
votes
3answers
1k 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 ...
2
votes
2answers
255 views

problem in gear shifting

I'm using a 21 speed bicycle,the problem is I'm unable to shift the chain to the smallest derailleur(rear)...the shifters are thumb press type there's no problem in pressing the shifter...when ...
2
votes
2answers
196 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 ...
2
votes
3answers
423 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 ...
2
votes
1answer
602 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?
2
votes
2answers
85 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, ...
2
votes
2answers
211 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 ...
2
votes
1answer
66 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 ...
2
votes
1answer
115 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 ...
2
votes
2answers
588 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, ...
2
votes
2answers
2k views

Rear wheel not centred, presses against one of the brake pads (Rohloff hub, Magura rim brakes)

Upon replacing my rear brake pads, I noticed that my rear wheel is not properly centered. The consequence is that the wheel is pressed against one of the brake pads, as can be seen in the pictures ...