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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5
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3answers
302 views

Storing commuter bicycle indoors during winter

I got myself a road bike that I intend to ride occasionally during winter (mostly for commuting). I live in an apartment, so storing the bicycle in a dry and cold place such as garage is not an ...
7
votes
2answers
130 views

When is it time to replace the gear-cable housing?

Please keep in mind that this question is specific to mountain bikes which roll through lots of dirt and mud. I heard stories of bikes that had their cable housing last for years, but I doubt that ...
2
votes
2answers
111 views

Occassionally Dropping Chain On Downshifts

Very occasionally my chain will come of the small chainwheel on a downshift. It is not at all predictable, except that it always happens when the I'm doing an unloaded shift in preparation for a ...
6
votes
1answer
175 views

What is the name of this type of bolt for the front crank on my bike?

I recently had to take the front gear off of my bike and had some difficulty undoing the bolts. Because of their poor condition, I have decided to replace them. However, I have no idea what they are ...
3
votes
2answers
311 views

Bottom Bracket Lube?

Lately, after my normal wash & lube routine, I've been squirting a little Teflon lube into the bottom bracket hub. I do so without dissembling by inserting the lube straw into the hub crevice. Is ...
3
votes
1answer
138 views

The piston on my Avid Elixir 5 brakes popped out. Does the caliper need to be rebuilt?

One of the pistons popped out of the caliper on my Avid Elixir 5 brakes. Can I just put the piston back in and bleed the brakes and then they will be good as new, or do I have to rebuild the whole ...
1
vote
1answer
95 views

Will the 26“ tyre fit my 25” rim bike?

I have this 2002 Esperia which, and I need to change the tires cause I am getting back to it. The tire dimensions appear to be 25 x 1.90, 50-559. I read a bit about these new and old dimensions ...
1
vote
1answer
43 views

Tube adhering to tire

I was fixing a flat this morning and discovered that the tube was adhering to the tire casing. The tube pulled free from the tire, with about as much force as it would take to pull off well adhered ...
6
votes
4answers
375 views

Adjust handlebar position/height (damaged screw?)

I was trying to adjust the position of my handle bar...but might have turned the screw too hard in the wrong direction or perhaps it was like this earlier...not sure.... Is there anything that can be ...
3
votes
2answers
162 views

Old freewheel removal

I have an old rear wheel - I think its from a Raleigh Arena roadbike from the late 70s or early 80s. There are broken spokes that require the sprockets removed to access. I've done this plenty of ...
1
vote
1answer
145 views

Rear wheel constant bump

my rear wheel has a constant bump whenever I ride . I've done all that came to mind at firs. Deflated and checked the tire , checked the axel for bends , checked the ball bearings , made shure the ...
2
votes
1answer
103 views

What is the purpose of greasing BB threads?

As is known for Shimano sealed bottom bracket cartages (e.g. page 16 here), if the BB cup is made out of metal, grease should be applied to the frame-cup thread. If the cup is plastic, grease should ...
5
votes
3answers
265 views

How much runout is acceptable in a disc brake rotor?

I'm trying to sort out pad dragging / noises in Avid BB-7 mechanical disc brakes and I'm wondering how much runout in the rotor is acceptable? Right now I have about 0.05 mm (measured with a Park ...
4
votes
2answers
165 views

Bicycle is harder to pedal when standing

From a few days now, when trying to pedal standing, my pedals become very rigid and it sounds like if the brakes are dragging. If I sit down again, the noise goes away and it's easy to pedal again. In ...
4
votes
1answer
127 views

Troubleshooting Noise from Avid BB-7 Road Disc Brakes

I'm trying to track down a dragging sound from some Avid BB-7 brakes on a Kona Sutra. The hub is a Shimano Alfine DH-S501 dynamo hub with an SM-RT82 Centerlock disc. The noise sounds like a dragging ...
3
votes
3answers
443 views

Remove front derailleur without breaking chain

I recently purchased a Diadora Orbita bike from SportChek. As I was riding it my front derailleur got bent and now I can't use my pedals. So, my question is, can I remove the Shimano FD-TY18 front ...
2
votes
1answer
114 views

How do I repair a broken chain on my old BMX bike?

I have an old bmx and my chain broke yesterday. I bought a new chain from WalMart. It is 300 links for 1 speed but I don't know what is the bmx speed (gear); it was rusted but I fixed it up. I left ...
1
vote
2answers
95 views

Mechanism to draw rear wheel back and tighten chain stuck; oil not helping, what's next?

I have a bicycle with an internally geared hub (Rohloff). To tension the chain, I loosed the attachment of the rear wheel (dropouts), draw back the rear wheel, and tighten the attachment again. ...
4
votes
1answer
105 views

Can I use 53-39T chain rings with compact cranks?

I have shimano 105 5700 compact crank(50-34T). Can I use 53-39T chain rings with compact right arm.
2
votes
1answer
77 views

Is it the valve

I recently bought a new bike and the rear tire deflates quickly every time I inflate the tube. Now here's the thing: I inflate it fully and start to ride and the tire only deflates a bit. It seems as ...
5
votes
4answers
179 views

The shifter for the front derailleur is “soft” in my vintage bike

So I bought a used vintage bike. I just love the bike and it's awesome. However it came with one problem: gears problems. First of all I have very little experience with bike, especially gears ...
1
vote
2answers
85 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 ...
4
votes
2answers
211 views

Shifting from Shimano 2300 to Tiagra

I have a road bike that I use mostly for touring (2-3 day trips) and my daily commute (~25km). It's loaded with the Shimano 2300 (2013) 3 X 10 groupset. I know it's not the most efficient or ...
6
votes
3answers
448 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 ...
4
votes
2answers
72 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
132 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 ...
1
vote
1answer
50 views

How to reinstall a tension screw of a V - brake that been fully unscrewed

I just bought a new showgun mountain bike and I was loosening the tension screw and it came completely out and I'm having a problem putting it back in
1
vote
2answers
137 views

Hard to diagnose squeaking

I am in an ongoing battle to try to get a squeak to go away. Here is what I know (sorry for the length): 1) The sound is a very loud squeaking (chalk on the board) that, at its worst, persists ...
1
vote
0answers
97 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 ...
1
vote
1answer
63 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 ...
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 ...
5
votes
1answer
202 views

Bottom Bracket Compatability Question

Good afternoon all! In previous questions, I've mentioned that I intend to rebuild my 2000 Trek 7700 Multitrack. Well, I'm beginning by replacing the bottom bracket. According to the spec sheet I ...
1
vote
1answer
134 views

Attempting to Rebuild a 2000 Trek 7700 Multitrack

I have/love my old Trek 7700 Multitrack, but it's fallen into some disrepair over the years including being in a flood (thanks Hurricane Sandy!) I've been told by my LBS that it's not worth ...
1
vote
2answers
90 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 ...
7
votes
5answers
643 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 ...
6
votes
2answers
219 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. ...
6
votes
3answers
521 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 ...
0
votes
3answers
114 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 ...
0
votes
1answer
162 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
277 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 ...
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 ...
7
votes
4answers
214 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 ...
1
vote
1answer
233 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 ...
1
vote
1answer
144 views

Front and Rear speed shifters aligment guide

How to align the front and rear speed shifters ? My chain dropped from the front chain ring, and I put it back on the first gear I found, then the rear one fall off, and I put the chain back on the ...
1
vote
1answer
145 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
353 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 ...
1
vote
1answer
161 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 ...
4
votes
2answers
307 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 ...
2
votes
2answers
335 views

back tire keeps going down

I have just bought a new bike and had it about a month now. I don't really know much about bikes but I do know how to repair an inner tube. I have had one puncture and just bought a new inner tube. ...
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 ...