Tools, parts, techniques, and procedures to keep your bike in working order. MAINTENANCE is not the same as REPAIR, a separate tag. Maintenance is what one does on a regular basis. Repair is what one does only when something is broken.

learn more… | top users | synonyms (2)

9
votes
2answers
4k views

My brake lever is coming loose from my handle bars; how can I tighten it?

I have a road bike with drop bars, and the left brake lever is slightly loose - it can rotate a few degrees around the handle bar from side to side. How can I tighten it? Is it possible to do so ...
2
votes
6answers
3k views

Best bang for the buck to improve a cheap fixie?

What are things to improve on a cheap bicycle that make a real difference? I'm looking at the bang for buck tradeoff. The bike is an inexpensive Fixie/Track Bike (less than 150GBP). 11 kg steel ...
2
votes
1answer
172 views

Is it a good idea to sand off the rotor when exchanging disc brake pads?

During operation, disc brake pads cut grooves into the rotor. When replacing the pads with new ones, would it be a good idea to smoothen the rotor with sandpaper(e.g. grit 200 then grit 800)? What is ...
4
votes
1answer
301 views

Please help me identify my bike

I have recently bought a house and found this bike in the garage. I'm currently thinking of giving it a full service, but I'm not a super expert on it and therefore I'd maybe like to take it to a ...
2
votes
1answer
2k views

Is it possible to run standard mechanical shifting on a Scott Foil Premium frame?

The Scott Foil Premium is the highest end frame available from Scott Sports, and it is designed to run an electronic drive train, routed internally. The original reports were that this frame would be ...
2
votes
1answer
210 views

How dirty should the chain and the cogs be before I should consider cleaning them?

I'm new to bicycling and have been riding for a month or so. I just saw a few questions here regarding cleaning of the chain and thought "whoa, I should clean the chain". How dirty (visually) should ...
9
votes
10answers
3k views

Where can I get some rags?

As I'm getting into the habit of cleaning and maintaining my bike more often, I am burning through my stockpile of rags. Up until now I have been using worn-out clothes as rags. I am going to run out ...
0
votes
0answers
87 views

orientation of non rotating washers (Nexus 8-Speed Internal Hub)

The anti-rotating washers on my Nexus 8-speed internal hub axle are opposite to what every service manual I've seen suggest they should be. In particular, the yellow washer is on the left side and ...
13
votes
6answers
23k views

How often should I grease and repack my hubs and bottom bracket?

I am commuting 7 miles a day (round trip) in all weather in New England (temperate, moderately wet climate, cold winters). Overall I am putting about 1000 miles per year on my commuter bike, a 2009 ...
0
votes
1answer
1k views

Are there any suitable alternatives to alcohol/brake cleaner for cleaning brake rotors?

Alcohol and brake cleaner seems to be the recommended options for cleaning disc brake rotors. I don't have any of that available currently, so are there any suiltable alternatives to them that can be ...
5
votes
6answers
381 views

What can I use for a DIY cable end?

I am in a pinch and need something to crimp onto the end of my brake cable to stop it fraying. There aren't any hardware shop's nearby and its a long way to the nearest bike shop. Any household ...
2
votes
2answers
134 views

I need to change my fork after having an accident with my bike

I need help as I need to change the fork for my bike (Ridgeback Speed 2013 Womens Hybrid Bike) I live in London and I went to few shops but in all of them they need to order the fork and it will cost ...
10
votes
2answers
1k views

Disc Brakes: Resurface your Pads?

Is resurfacing the brake pads in disc brakes (hydraulic or mechanical) necessary? If so, what would you use to do this - medium sandpaper? I spoke to one mechanic while shopping for a bike, who ...
3
votes
3answers
236 views

What kinds of tools do I need to do bike maintenance, e.g. adding a rack?

I just got a new Trek 7.2 for commuting and getting around town. It's a great bike but I want to add some stuff to it like a rack. I am fairly handy and have more or less a full toolkit in my ...
4
votes
2answers
204 views

How to correctly align “be seen” lights

My "be seen" bicycle light is bar mounted and has to be reattached every time I jump on the bicycle, due to theft risk. How do I determine when it is correctly aligned? In particular how are "be ...
22
votes
2answers
5k views

What's stopping you from pedalling backwards?

On the BMX bike I have, pedalling backwards moves the chain but doesn't drive the wheels of the bike backwards like you would expect it to. Why is this?
0
votes
2answers
124 views

How do you check your road bike tires for wear? [duplicate]

What is the best way to determine if your tires need to be replaced?
3
votes
3answers
762 views

How to correctly align “to see” bicycle lights?

My "to see" bicycle light shifts out of position. While I need to fix it (fork bridge mounted dynamo), how do I determine when it is correctly aligned? In particular how are "to see" lights ...
1
vote
1answer
144 views

Front derailleur adjustment

I need some advice on properly adjusting the front derailleur (shimano -tourney) of my bike. I did watch youtube videos and stuff on the internet but was not able to adjust it properly. When I ...
-1
votes
1answer
490 views

V-brake mount for caliper brakes

Is there an addaptor or mount that uses your V-brake mounts to allow a new fork without disc mounts that i have, to enable it to use caliper brakes, i try to avoid geting new brake levers, i figure an ...
19
votes
10answers
4k views

How much does bike price correspond with maintenance needs?

In this question (with this answer) I asked about a commuter bike, which is to be ridden 40 km every weekday, in the city. And apparently for this scenario I can choose either of two possible kinds of ...
1
vote
1answer
496 views

Can you take apart rear derailleurs, and how do you put them back together again?

I recently took apart my rear derailleur as it was on a 10 year old bike and really old and stiff. So I thought I would unscrew both jockey wheels and clean them, they had a silver bit either side, ...
1
vote
2answers
238 views

Which rim tape for 700x28 tires?

Which rim tape should i use for 700x28 tires? I can only find 700x17 or 700x14... I just measured my 26" and the (outside) base of the rim is 24mm... and i used rim tape that is 20mm wide... it ...
8
votes
3answers
6k views

Fixing noisy V brakes

My V brakes make a lot of noise when I brake!! I am annoyed by such noise not to mention the pedestrians. My Mechanic said that it will not make those noise after using for couple of days, but it is ...
4
votes
2answers
10k views

Which lubricant/grease to use for ball bearings?

A little mishap happened today during cleaning my bicycle. I tried to take off the sprocket wheel for easier access, but instead I opened the lock nut of the hub (cassette type) and the balls came ...
13
votes
7answers
3k views

Why would I need a torque wrench for a bicycle?

I was rather surprised to find a question about choosing a torque wrench on this site. I haven't cycled for years, but many years ago when I actually cycled I would do with a set of ordinary wrenches ...
1
vote
1answer
154 views

if you replace the front gear system do you need to replace both the rear casette and the rear derailuer or neither

I've been given an old bike from the road which has gears where you can't tell what gear the lever is in (there is no number) just a lever in one of three positions or seven for the back). I am ...
0
votes
1answer
537 views

Partially disassembling Sticky Shimano STI shifter for service

There are a few questions floating around regarding sticky STI shifters and the standard procedure seems to be to flush with a load of WD-40 and relube with aerosol grease or similar. My set is ...
0
votes
0answers
52 views

Planet Bike speedometer won't reset

I have a planet bike speedometer and after the winter season it seems that it is no longer functioning. It will come on when the bike starts to move but I cannot reset it and it seems to be frozen on ...
5
votes
5answers
428 views

When to lube a chain?

Should a chain be lubed each time after riding in the rain*? What about a 100km mudride (occasional water up to the hubs)? Should I stop in the middle of the ride to re-lube the chain? If so, is it ...
16
votes
4answers
808 views

Optimal Maintenance Schedule

It is forecast to rain this weekend so I was thinking I would drop a tarp down over my living room floor and give my bikes a bit of a tune up. Question What maintenance needs to be done on your ...
1
vote
3answers
207 views

How can I get a bike mechanic certification/where can I learn to be a bike mechanic?

I'm interested in becoming a bike mechanic in Melbourne, Victoria, Australia. I'm hoping there's an industry body which runs courses to certify bike mechanics. I'm really hoping it's not just ...
4
votes
1answer
291 views

Rotating 2 chains on one cassete

I clean my chain on the bicycle, mostly because taking it off for a bath, drying, etc seems to take more time than I have. But maybe I could use 2 chains in rotation, I would take one chain off, ...
1
vote
3answers
851 views

Cycle tyre and tube burst

I pumped my cycle front tyre to 105 psi (700*23c) 5 days back and cycled some 60 km on the same day without any punctures. Afterwards I parked the cycle in my bedroom for the last 5 days (due to ...
10
votes
2answers
2k views

Is it harmful for a hydraulic brakes bike to be put upside down

I heard somewhere that bikes with hydraulic brakes should not be put upside down. If they are, 15 minutes should be allowed, before the bike is used. Is there any truth in this? What process could be ...
3
votes
4answers
5k views

How many ball bearings to put in an axis?

I'm cleaning out most of the axes on my new (second hand) bike. I'm replacing the grease inside the pedal axes and I was wondering. How many ball bearings should be inside? I thought there had to be ...
4
votes
2answers
680 views

Why does the chain tension vary as pedals are turned?

I have a new single-speed bike (after purchase this year, it was unused in a garage for a few months), but as I turn the pedals, the tension in the chain varies noticeably. What should I check, ...
4
votes
1answer
140 views

Is there not enough shim on my suspension pivot?

I bought month ago new full suspension bike "Kellys Beast 2013". When I maintained it, I noticed that there seems to be a shim missing on one rear pivot: The most interesting that it is symmetrical ...
1
vote
1answer
217 views

Spoke tension - is a left tilt ok to prevent explosion?

The left hand steel blade spokes of my WH-RS30 (not 30A) are constantly exploding inside of the nipples when going up hill in a standing position. I have increased the right hand side tension to about ...
5
votes
1answer
510 views

How tight should brakes and shifters be on the handlebars?

How tight should handlebar components be? Here it's said 6-8Nm. However, I don't own a torque wrench at that range. Should the brake levers and commands be tight, or should they be able to twist, ...
13
votes
5answers
2k views

How many miles and/or commuting seasons will a modern internal geared hub last?

I've been considering drive trains on a utility / commuter bike. What are expected or actual lifetime / maintenance needs of modern internal hubs? The Shimano Alfine internal 8-speed hub is on ...
5
votes
2answers
6k views

Does my bottom bracket need replacing?

About two months ago I bought a Boardman HT Comp. Today I took it into my local bike shop for a service. While I was in the shop one of the technicians had a quick look at it and told me that my ...
2
votes
2answers
3k views

How should I lubricate my Shimano freewheel?

I have a Shimano freewheel (MX-30) that came with my bike from new. Unfortunately the internals got all gunked up and it stopped working (never engaged and became free both ways). I have bought and ...
0
votes
1answer
371 views

Maintenance of Fork springs on Marzocchi Bomber Dirt Jumper

I recently took my fork into my mechanic for service because it was making a rattling noise in one of the fork legs. Upon initial assessment he thought it was a broken return spring for the air ...
2
votes
2answers
117 views

Cyclocross Rim Wearing with Rim Brakes and appropriate Solutions

For Reasons that are not to be discussed here i did choose a cyclocross frame without disc brakes mounts and i am going to train/compete with Canti Lever Brakes. Obviously, with all the mud and dirt ...
2
votes
2answers
278 views

Rear mech cage stuck, how can I take it apart?

This is a shimano ultegra 6700 rear mech. The swing arm/cage is incredibly stiff where it connects to the derailleur. I can just about rotate (red arrows) it a small amount but requires a lot of ...
7
votes
3answers
352 views

Sheldon Brown's writing? [closed]

This question has been nagging me for ages. I've read a lot of Sheldon Brown's site and actually tend to use bikes from the 70s-80s because they're more economical for daily use and especially for a ...
1
vote
2answers
245 views

Shimano Revo shifter does not shift [closed]

I have recently bought a new bicycle and the left Shimano Revo shifter (3 speed) is not shifting, what can I do?
4
votes
1answer
427 views

How often to sevice suspension forks

Consider a SunTour XCR coil fork or any similar. Service manuals suggest "full service" every 30 hours of riding time. I take that to mean removing the boots and re-lubing the stanchions. However, ...
2
votes
3answers
164 views

Wheel bust after 10 months, is this normal / usually covered by warranty?

Not sure if this is the right place to ask... I bought new bike about 10 months ago. The past few weeks I've had no end of trouble with the rear wheel (Mavic Aksium) in regards to spokes. About 4-5 ...