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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23 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 ...
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1answer
80 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 ...
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2answers
568 views

Can't shift front gear, despite loosening, tightening, etc. What could be wrong?

Disclaimer: I'm clueless and am piecing together what little information I know from reading this site and from watching YouTube 'intro to repair' videos. I've been gifted a used mountain bike, my ...
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2answers
160 views

BB Lockring won't completely tighten

I am trying to put the lockring back on my BB after adjusting it to reduce the play, but I am unable to full tighten it. I can hand tighten the lockring, but as soon as I try to use my hook spanner to ...
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3answers
272 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 ...
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3answers
2k views

How to measure chainring / cog wear?

Other than attempting to estimate whether a chainring or cog is worn and needs replaced by eyballing it, is there any way to measure the wear on chainrings or cassette cogs so you can determine ...
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1answer
267 views

Not working fork

I have watched several video tutorials about how to service a fork and decided to try to open and clean my Suntour Nex 4610 fork . I didn't do anything besides cleaning and lubricating the tube. I ...
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1answer
390 views

When do my brake pads need replacement?

I have a bike that is almost two years old. It still has the original brakes (side pull caliper brakes), which seem to still be functional. However, they are worn and I am going to be doing a lot of ...
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2answers
4k views

Dahon handle post hinge loosens too quickly

I noticed that the handle post hinge on my Dahon Speed D7 now requires attention much more often than it used before. Unlike main frame hinge which remains tight for long after adjustment, this one ...
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4answers
2k views

Ultegra 9-speed brifter upshift problem - beyond WD-40?

I have a 2000 Ultegra 9-speed right/rear brifter that does not "release" the cable properly. My initial search on this problem suggested that this could often be cured by flushing with WD-40. So ...
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1answer
566 views

Santa Cruz Blur linkage maintence

How much maintenance and what is it specifically that needs attention on 2006 - 2010 Santa Cruz Bur VPP rear linkage mountain bikes? Im looking to buy a used Blur XC, but I hear they need a lot of ...
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3answers
991 views

Where to find bolts for an old Raleigh Bicycle?

The college kid in our family has a old/ancient Raleigh 3 speed bike with long fenders. Those fenders are held in place with a strange bolt that is threaded on both ends and has a head near one end. ...
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1answer
44 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 ...
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1answer
53 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 ...
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2answers
54 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 ...
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1answer
93 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 ...
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1answer
52 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 ...
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1answer
76 views

Visual inspection of wheel hub

I need to build a new bicycle (others are gone, stolen :( ). Good thing is, I have two spare wheels of decent quality in my basement. These old wheels took quite a beating though, when I was younger. ...
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1answer
174 views

Choosing New Rims/Hubs & Assessing Size

I have a 10 year old Trek 7300 FX hybrid which came with Matrix 750 double walled rims. "559 x 19" is marked on the sticker of these rims. The tyres fitted are 700 x 38C (622) - I'm assuming (should I ...
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1answer
162 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 ...
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1answer
194 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 ...
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1answer
628 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, ...
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1answer
569 views

Rear V-brake pivots (cantilever studs) asymmetrical on Specialized Hardrock XC 2004 - how to fix?

This is a bit weird question. I bought a Specialized Hardrock XC used bike cheaply on e-bay. It had no front brake and the rear v-brake had different arms and was very dodgy. I thought I would able to ...
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1answer
224 views

Can I swap Semi-Metallic brake pads for Sintered Metal Brake Pads?

I'm running disc brakes on my cyclocross bike with semi-metallic brake pads. I find that I'm constantly having to keep my rotors cleaned off to ensure optimal performance. I'm used to my mountain ...
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2answers
396 views

Dahon D7HG Handlepost hinge loosens pivot point

I have a Dahon Vittese D7 HG, bought in Perú 1 year ago, my handlepost hinge begins to sound like crack , then I supposed that it could be because the friction between steel parts, and adjustment on ...
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1answer
2k views

Do my Shimano 7900 Dura Ace chainrings need replacing?

Basically today I had a bizarre suggestion; someone told me that my Dura Ace 7900 crankset (a 53 chainring) needs replacing because some teeth are worn from use. I ask myself, is that possible? I've ...
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1answer
781 views

Can I use 10-speed Shimano STI shifters with a 9-speed drivetrain?

I need to replace Shimano 105 STI shifters on a 9-speed road bike which was damaged in an accident, however there are few places that still stock 9-speed Shimano 105 STI shifters. Can I use the ...
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3answers
841 views

How often should I have maintenance for my bike?

I am a non-expert bike rider. I keep my bike in a closed storage during the winter and ride during the summer. Do I need to do some kind of maintenance at the beginning of each summer? Is it safe to ...
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1answer
351 views

Dismounting wheel in a fixie

I have a fixed gear bike, Rocky Mountain Boroughs Fixie (see picture). The chain is very tight compared to any free wheel bike. So anytime the tire gets punctured (unfortunately very often) and I want ...
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1answer
148 views

What book should I read to learn how to maintain a bike? [duplicate]

Possible Duplicate: Where to find good bicycle maintenance info? What book should someone that can fix a puncture but who have never replaced bearings etc read to learn how to maintain a ...
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1answer
46 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 ...
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2answers
81 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 ...
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0answers
57 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 ...
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1answer
120 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 ...
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0answers
24 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 ...
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1answer
61 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 ...
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0answers
181 views

Lowrider style bent forks techniques

Would a 24 inch bent fork fit on a 20 inch frame? Is there even a 24 inch fork? Would a 26 inch fit? Also if it doesn't fit in could I just add to the 20 inch - would you be able to extend it making ...
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2answers
290 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?
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2answers
912 views

The quick release on my shimano sora brakes pops open during braking

Occasionally, when using my bike with shimano sora brakes on the front and rear, the quick release will pop open during braking, reducing my braking power. Is there some way to prevent this? Is it ...
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0answers
143 views

What is a reasonable maintenance routine for a commuter bike? [duplicate]

Possible Duplicate: How much maintenance? I've purchased a nice hybrid (a Trek Fx) and plan on using it as my daily commuter, maybe averaging 50 miles per week on it. What regular and ...
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1answer
115 views

How do I reassemble the rear gearing after fitting new tyres?

I have a Raleigh maybe 8 years old with shimano 15 gears. How do I reassemble the rear gearing after fitting new tyres? Everything seems to be in correct position but a small bolt with captive nut ...
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3answers
214 views

How long between spoke adjustments on a mountain bike?

I have a mountain bike that's now about 18 months old. At the 12 month mark I took it for its first annual service. Since then there's been a problem with the front wheel coming out of alignment. ...
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2answers
167 views

Is it possible to loosen or crack the tire when I change a broken tube?

If I don't use the proper tools. Last time I used spoons to take out the tire.
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2answers
51 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 ...
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4answers
179 views

Are rusty disc brake pads a worry?

I'm the fool who didn't wash the snow off his bike - it's a rusty mess. I've just taken apart the front disc brake as it was rubbing. I think that was more to do with the disc being bent, but as I ...
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2answers
3k views

My v-brake lever (just one) is stiff. What's wrong?

After tuning my brakes a lot (I was learning how) I noticed suddenly my back brake got really stiff. Does't really matter if the cable is loose or not, the lever itself feels really hard to pull when ...
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2answers
163 views

Lowest Gear Out of Whack

Yesterday, I was having this problem. Taking the advice, I messed with the barrel adjusters. Now, every gear is working great except the highest gear and lowest gear. I put my bike in the highest ...
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2answers
166 views

How often should the headset be tightened?

I live in an area with a lot of potholes and commute daily (between 10-20 miles depending) on a modern road bike. Today while coming in hard (18+mph) to a stop, I went over a worn paving layer with ...
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1answer
205 views

Shimano DA9000 polymer cables

It's time to replace my shift cables on my road bike and I'm thinking of spending the extra and investing in Shimano Dura Ace 9000 polymer cables. Has anyone experience of these? I'd appreciate your ...
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1answer
672 views

Can't get the drive side bottom bracket cup out

I have an older Raleigh frame that I converted to a fixed gear and the bottom bracket cup on the drive side has been painted over a few times and I can't get it out. This is the type of cup (the one ...