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.

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1
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2answers
75 views

Cyclocross tyre patching problems, bulging inwards

I bought a new cyclocross bike, very good very handsome. 2 days ago I rode it on quite a rough road composed only from rocks. Two punctures (slow leaking ones, cause only realised after coming home 2 ...
10
votes
6answers
2k views

How can I learn to take care of an old (70s era) road bike/get it back to working condition?

I found my mom's old road bike from the 70s tucked away in a corner of our attic. It's not in great condition and is pretty rusty. I don't know a lot about bikes from a mechanical or upkeep point of ...
2
votes
1answer
175 views

Refurbishing mountain bike - left standing for couple of years

I've a Marin Rocky Ridge (2007) that I'd like to give a bit of an overhaul/refurbish as it's been left standing for two years or so. I'm just looking to know where would be common areas that would ...
5
votes
3answers
305 views

How should the brakes on a child's bike be adjusted?

I picked up a child's bike from the recycling center - and I was going to give it to a financially strapped worker that I know. The brakes could easily be adjusted to be quite a bit stronger - but ...
0
votes
3answers
108 views

Chain skip happening seemingly at random with a new chain

My bike's a 24-gear trail/road hybrid, and I've had it for about three years (although I've been riding it much more lately than in previous years). For a long while, I've had an issue with chain ...
4
votes
2answers
63 views

Shimano Bottom Bracket LHS cup - splines all worn off. Removal tips?

In reference to one of these BB's: http://www.amazon.com/Shimano-UN54-Bottom-Bracket/dp/B0039369B4 My kid had successfully chamferred the left BB cup's splines, until there is no useable spline ...
3
votes
2answers
122 views

How can I protect cables in inclement weather?

I cycle year round, in Maine. It is pretty much guaranteed my brakes and shifter cables will need replacement in the spring, even if I try to maintain and clean the bike after each ride. Does anyone ...
4
votes
4answers
3k views

Where can I find replacement screws?

I have a handful of rusty screws on my bike; where can I find such small parts?
2
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2answers
504 views

Recessed brake pivot nut stuck in carbon fork

The recessed pivot nut for my front brake calliper (no. 4 in this diagram) has seized inside the fork. I've managed to remove the brake calliper itself by unscrewing it from the front, but the nut is ...
0
votes
0answers
82 views

Chain rubbing on rear derailleur cage after replacing crankset

I bought a new Shimano 3-ring crankset for my aged MTB (5-speed at the rear) and updated the BB to the recommended length (9.5mm longer than I previously had with 2-ring cranks)for the new cranks. Now ...
17
votes
9answers
2k views

Why are so many technical aspects of cycling so subjective? [closed]

I come from an Engineering background and I have a strong interest in science. It has always struck me as odd how so much of cycling is so very subjective. As an example, though this is by no means ...
1
vote
1answer
60 views

Have some new parts on hand but need new frame - frame swap reasonable? or sell and purchase new bike?

Purchased my first "decent" bike, a Motobecane 700HT about 5-6 years ago as a 'gateway drug' of sorts for myself to get into XC biking. Ended up using it for commuting for a few years as well. Over ...
7
votes
5answers
592 views

What is the necessary equipment on longer bike rides?

Let me provide some context to the question. I mostly cycle alone and cover distances in the range from 45 km to 65 km; depending on the route, these rides last from less than 2 hours to well over 4 ...
1
vote
2answers
80 views

Can't shift to small chainring

While riding yesterday I could shift into the big chainring, but to get back to the small chainring, I had to dismount and press on the chain with my hand (I'm not talented enough nor inclined to ...
6
votes
3answers
416 views

Is the durability of more expensive chains better than cheaper ones?

Do expensive chains last longer? I get 300-400 miles using Wally World's $10 8 speed chains while riding off road or dirt. I monitor and replace the chain at close to 1 percent stretch. Would a ...
14
votes
8answers
8k views

Is there such a thing as frame failure?

Several general questions have been asked regarding how long a bike or bike frame will "last", and the gist of answers seems to be that a bike can last quite a while of the replaceable components are ...
6
votes
2answers
210 views

What's in this patch kit?

I have a patch kit (from Bike Hand) and it includes: Rubber solution Metal rasp Patches Along with the aforementioned supplies there are two small rubber tubes, hollow, and about 1cm long. ...
1
vote
1answer
131 views

How can I tell where the damage is in the hub?

I am pretty new to bicycle maintenance. I've replaced brake cables, and patched tubes, but not much else. This week my plan was to clean up my back hub, because the wheel hadn't been turning as ...
0
votes
1answer
109 views

How to remove Race Face crankset?

I have a Race Face Ride XC single ring crankset that I stripped out the pedal threads on one arm. I am trying to remove the crankset, I have followed the instructions that came with the crankset, and ...
3
votes
4answers
272 views

Torque wrenches

How do I determine the torque required for different bolts, etc.? I am new to the world of torque wrenches and have not purchased one yet. I am suffering from chronic loosening of the left side crank ...
2
votes
2answers
101 views

Can you trim rim tape once installed?

I installed my rim tape then noticed was too wide so I trimmed it with a razor knife. Would this have caused any damage to the rim bead?
25
votes
2answers
7k views

Why does pedalling backwards not move my bike backwards?

On the BMX bike I have, pedaling backwards moves the chain but doesn't drive the wheels of the bike backwards like you would expect it to. Why is this?
8
votes
8answers
6k views

How long should a well maintained chain last and what can I do to prolong its life?

I commute on a fixie. I'm using KMC Z410 chains. Every evening if it's wet I wipe and re-lube my chain, using ProLink lube. Every weekend I remove the chain, soak it in kero, brush it with a citrus ...
4
votes
4answers
809 views

How do I re-insert a chain pin that has been pushed completely out?

While breaking the chain, I pushed the pin too far and pushed it out completely. Now the chain is too short. How do I re-insert this pin, or should I look for other options.
7
votes
7answers
1k views

What are the absolute essentials a cyclist should own? [closed]

Context: My bike shop includes free servicing as a standard with a new bike. I don't need such thing and live too far away. In lieu of waiver I can get €100 of stuff from the shop. Best bike problem ...
1
vote
1answer
203 views

Is graphite grease suitable for bicycle bearings?

The Wikipedia article doesn't explicitly list the applications of graphite grease. Would it be suitable for bicycle bearings and threads? Furthermore, I went ahead and purchased a single package (the ...
7
votes
4answers
182 views

Bicycle maintenance notes, technical book: do you have one?

Well, I drive a car and I have a technical book (maintenance) and automatically I want to do the same for my newly bought bicycle. I would love to track repairs, maintenance schedules, changed / added ...
5
votes
2answers
2k views

What to do about a stuck chain link on 10 speed chain

I put a new chain on my bike and after 3 rides or so, I developed a stiff link. I'm not sure what caused the issue, but now it barely bends at the pin at all, unless forced. It causes skipping ...
1
vote
1answer
121 views

Twist shifter cannot shift down – what might be the cause?

My son's bike is stuck on 7. When we try to shift down to 1, there are no clicks. It just shoots right back to 7. This is a dial/twist/grip shifter, not a trigger shifter. I do not think it has ...
2
votes
1answer
710 views

ideal dérailleur height for a Deore on non-round/oval Cranksets (e.g. a Biopace)?

Reading on every site about front dérailleur adjustment, the distance from the bottom of the outer dérailleur plate to the bigger crank cog should be "one penny". Mine is around 1cm! it does shift ...
2
votes
1answer
299 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 ...
4
votes
2answers
234 views

For 'classic' cantilever brakes, are cartridge brake shoes better than non-cartridge ones?

What are the advantages of cartridge brake pads compared to non-cartridge ones? Do they offer better braking characteristics? I'm about to replace brake pads on a 1994 MTB which has Shimano STX ...
5
votes
1answer
1k views

Are Shimano Hollowtech II bottom bracket spacers unique?

I'm moving my Shimano Hollowtech II XT crankset and bottom bracket over from a bike with 73mm bottom bracket to a 68mm bike. The only problem is that I only have 1 spacer and now I need 3 bottom ...
0
votes
0answers
31 views

What type of grease to use as general purpose bearing lubricant? [duplicate]

Lithium grease, white litium grease, graphite grease, carbon grease, SRAM`s Liquid O-ring. And those are only the types of greases I have heard about. What type of grease would be suitable for ...
2
votes
0answers
26 views

Fork damper circuit reconditioning

I have a rockshox Dart II from 2007. I have recently rebuilt it for the first time in 9 years as it had basically locked up, and not so surprisingly given its neglectful treatment, its still not ...
1
vote
1answer
69 views

Chain Replacement

I'm having a hard time finding an appropriate replacement chain for my bike. Its a 21 speed, Wal-mart brand mountain bike. My local bike store has chains that were up to a 10 speed. I know I need a ...
3
votes
1answer
151 views

Brake hard on new cycle

I saw someone after buying a new bicycle (a hybrid), pulled the brake as hard as he could for few seconds and dragged the cycle along while braking like that, 1 brake per centimeter. Why did he do ...
22
votes
8answers
6k views

What should I look for when buying a used bicycle?

I'm moving to a city where I can ride a bicycle to the grocery store, coffee shop etc. I want to purchase a decent used bicycle. I'm leaning towards a bike that's in between a "10-speed" or road-bike ...
2
votes
2answers
117 views

How to re-tension front derailleur cable

Bike is a mid 80s Miyata with early Shimano 105 components. It's a 10 speed, 5 speed cog and 2 chain rings. I recently had my front derailleur set up again by a good mechanic after it stopped ...
11
votes
3answers
4k 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 ...
5
votes
2answers
6k views

Left pedal coming loose

On my bike, which I just built out of spare parts, the left pedal seems to constantly be coming loose. It seems to come out about 5m every time I ride ~10km. It's an old cotter pin crank, and the ...
1
vote
1answer
74 views

Why is part of this Derailleur loose? (Sun Tour Cyclone II)

As you can see from this picture, part of my Derailleur is loose. Notice how the gear is not in flush with the cylinder. It has a no other parts (that I can find!) than a threaded screw to go in ...
13
votes
5answers
20k views

What makes grease appropriate for bikes?

I'd like to grease my seatpost, and in front of me I've got a tube of "CMD Extreme Pressure Lube #3" that claims to be good for "ball bearings, roller bearings, deep drawing, rivet spinning" and a ...
15
votes
4answers
7k views

I've had a bike in storage for over 10 years. What maintenance does it need?

I've had a bike in indoor storage (my garage) for over 10 years. I'd like to get it back into good condition to use for my commute to/from work each day. What things should I check/replace before I ...
10
votes
1answer
252 views

Bike pump: what is this lump?

What is this lump in the picture and how does it work? I have another pump, which physically is the same but minus the bulge. The one in the picture seems to perform better, ie less work to reach ...
27
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
3answers
911 views

Shifter cable running beneath the bottom bracket without a sheath

I am trying to solve the neverending issue of my derailleur shifting on its own by replacing the shifter's cable and its sheath to see if it not sliding properly could be the cause of the issue. ...
3
votes
1answer
156 views

What is the hydraulic brakes expected life?

I bought a pair of hydraulic brakes (Shimano BL-M395) for my MTB. After 8 months (less than 1,000 kms), both (front/rear brake) started to leak oil thru pistons, rendering pads contaminated and the ...
2
votes
0answers
80 views

Can't find right headset adjustment

After a complete tear down and reassembly I can't seem to find the right tightness adjustment for my threadless fork / headset. If I loosen it to the point that the front fork turns freely, there's ...
0
votes
0answers
59 views

How to prevent spiders from making webs on my bike? [duplicate]

I really hate spiders and I'm afraid of them so this is really a problem for me. I use bike every day to get everywhere - to work, to shop etc. These nasty things can make a web in a matter of a few ...