Repairing your bike when something is broken. REPAIR is not the same as MAINTENANCE, a separate tag. Repair is what one does only when something is broken. Maintenance is what one does on a regular basis.

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1answer
2k views

Front brake lever will not stay tightened

I have a 2011 Trek Cobia with Hornet brakes. About an hour and a half into my trek through the woods this morning I noticed that (once again) my left brake lever was hitting my knuckle when I fully ...
0
votes
1answer
750 views

pedal falling off axis

One of the pedal arms in my bike is loosening off the crank every so often. When it starts to happen, the pedal arm, that has square ends, and the nut will end up detaching from the crank, so I have ...
7
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2answers
261 views

What do I do when I don't trust my LBS to repair a problem they caused?

I have a Sturmey Archer 3-speed hub on an ex-single speed. I got a flat on my way to work and couldn't ride any more. So I jumped on the train and took it to the bike shop near work (the shop who ...
2
votes
1answer
648 views

Front derailleur doesn't change from grear 1 to gear 2

I have a Shinamo Tourney front derailleur that doesn't change well from gear 1 to gear 2 (I'm new to bicycles so I don't know standards, so I think I should specify that gear #1 is the smallest). In ...
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1answer
2k views

How to determine size of freewheel?

My previous question was: How to take apart this rear BMX hub? How do I determine the size of my freewheel to replace it? I have seen on bicycle sites that a freewheel comes in sizes like 14t, 16t, ...
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2answers
4k views

How to take apart this rear BMX hub?

As shown in the photo, what tool do I need to take this rear hub apart? I assume I need a tool which will fit in the 4 notches. The problem I am trying to fix is that if you pedal, the rear cog spins ...
8
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2answers
393 views

I was in a collision the other day. What should I check?

I was making a left hand turn the other day when a u-turning vehicle t-boned me. I somehow managed to land on my feet, but the bike didn't fare as well. It landed on the drive side. My back wheel ...
0
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2answers
311 views

RS Revelation '11 dual air fork leaks

I have a RS Revelation dual air fork. It's new, never used before. I installed it and after a few days I noticed, that it loses air. Maybe 20-30 psi over night. So at morning it's just too soft and ...
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7answers
24k views

When should you replace tires after getting a flat?

A nail punctured my rear wheel tire today while riding. My question is, how do you know if you need to replace a tire or simply repair it with a tube repair kit? The hole looks pretty nasty. The cap ...
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4answers
11k views

How do I know if it's worth restoring my bike?

I found myself in need of a bike, but buying a new one is out of the question. So two possibilities remain: buy a used one for a low price; fix one of my old bikes. But here comes another problem ...
3
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4answers
511 views

What to Look for In a Fixer Upper

I have decided to buy an older worn down bike and fix it up as my commuter. What things should I look for? I know I should check the frame for rust. But, that's about it. For example, is it easy ...
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2answers
2k views

I assambled rear wheel hub, but now rear wheel is not turning freely

I disassambled/assambled rear wheel hub, but now rear wheel is not turning freely, what have i done wrong?
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2answers
123 views

How can I find inexpensive salvage repair (frame) parts?

I've got a 2008 or 2009 Titus X. I cracked one of the struts (probably the wrong term) in the rear suspension triangle. I'm hoping I can find a salvage part (still waiting to see how expensive a new ...
3
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3answers
2k views

Best practice for patching snakebite pinch flats on skinny tubes

So, I tend to run 700x23c or 700x25c tires on my commuter bike. Sometimes I'm lazy and forget to check the air pressure and inevitably get a pinch flat when I hit some stationary object, pothole, or ...
5
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4answers
3k views

Sources of vibration at high speed in and around rear wheel

I’m experiencing vibration somewhere in the rear half of the bicycle when descending at high speed (say more than 30 mph), and I haven’t been able to pinpoint the cause. Everything looks fine, ...
5
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1answer
178 views

Unused puncture repair patch - what's its useful shelf life?

Sometimes I fish around in my shed for a repair kit and pull out a pair of patches which have been sat around for a while (a year?) I find the patches are stiff (even though they're still in their ...
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0answers
40 views

What sort of bike chain do I need for my bike? [duplicate]

Possible Duplicate: How can I tell which size chain my bike uses? I have a vintage Ross road bike, and the chain recently snapped during one of my rides. The bike has 2 gears in the front ...
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1answer
412 views

Clicking gears on new Electra Townie 8i

I asked a similar question related to slipping gears here: Slipping gears on new Electra Townie 8i but now I no longer get slipping, but clicking noise when the pedals are rotated either forward ...
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2answers
9k views

Chain slipping off derailleur jockey (need suggestions ASAP)

Last week, I had to abandon a training ride due to my chain slipping off my rear derailleur jockey wheel. This would only happen when shifting, and most often when either shifting chainrings or ...
4
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4answers
3k views

LBS said creaking under torque is normal?

on my last question i asked about a creaking/tick i was getting when i was stand pedalling on a climb. I took it to my LBS today and they said they had stripped all the crank and bb and re greased it ...
2
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4answers
2k views

Strange noise coming from bottom bracket/crank? any ideas?

ive just bought a trek 6300 and im getting a strange creaking coming from the crank/bottom bracket when im stand pedalling. it only happens when im stand pedalling, and only what appears to be on my ...
2
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2answers
1k views

Maintenance/Upgrades for Gary Fisher Joshua MTB

Let me start from the beginning: About three years ago, I broke my leg after buying a Gary Fisher Joshua MTB, when I was just getting into road and cross-country riding. I've only started riding ...
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9answers
6k views

Why does the glue in a puncture repair kit dry up so quickly?

With puncture repair kits, generally you get like 6-8 patches and a tube of glue. The only problem is I can really only use the glue for the first patch because once it opens, it just ends up drying ...
12
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6answers
16k views

Removing a stuck pedal

I'm sure this question must have already been answered somewhere here, but it doesn't show up in any search results I make... I'm changing the pedals on a 40 year old bike. Pretty sure the pedals are ...
2
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3answers
706 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, ...
4
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4answers
630 views

Broken pedal on an old french bike

I broke the pedal of an old french bike (Peugeut Mixte 70's). The threading doesn't fit the one in modern pedals. Now I am wondering if I should insist in finding an old french pedal or if I should ...
4
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2answers
492 views

Phil Wood Hubs: Anyone had a Pawl go?

I got front & rear Phil Wood hubs for a touring setup back in Oct of 2011. I'd been using them for commuting to work -- averaging 20 KM a day. Except I'd been off the bike for the month of ...
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1answer
895 views

Shimano dual lever Ultegra ST-6600

The shifter cable broke on the way home from work. The break was inside of the dual lever assembly. I was able to fish out the cable end. But, with a new cable, I am not able to get the shifter to ...
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2answers
1k views

Does a hybrid truely have a wider tire or does a mountain have a wider tire?

I'm looking around my local bike shop and saw that the hybrids have a slim tire while a mountain has a more fatter tire. And when i researched it says the opposite. Please help me.
5
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1answer
928 views

Bottom bracket repair stand experience

Does anyone have direct experience with the ParkTool Team Race Stand or other brands/models of bottom bracket repair stands? If so, do you like it and why? A good answer for me will include the ...
1
vote
2answers
443 views

Small amount of wobble in wheel

If I grab my [suspension] forks tightly and push against the wheel sideways, there is a slight amount (few millimeters on 26" wheel) of play/wobble from the axle/hub. The QR is done up tightly. Is ...
4
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3answers
7k views

Adivce on what to do next with crunching / slipping gears

About two weeks ago I took my bike to the local bike shop to get serviced. It was previously slipping gears under load and at the end I couldn't use the lowest gear going up hill it would just slip ...
9
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7answers
17k views

brake lever will not return

My friend has a mountain bike that survived last years Queensland's floods (Australia, that is), but is all battered and bruised after not being ridden for a year. With my beginner's repair skills, I ...
3
votes
2answers
990 views

Repair superficial damage to a carbon frame

I have a carbon frame with an integrated seatpost. The saddle sits on a clamp that is meant to secure the saddle on the seatpost and NOT hold the weight of the rider too. I went on a ride and my knees ...
4
votes
3answers
308 views

How to remove broken bolt in Chain Tug?

It is now stuck very hard because I used apparently too much force to tighten it, how would you take that out? The bolt is in soft aluminium frame so it can be quite tricky thing to do. Some bolt ...
3
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3answers
3k views

Is my local bike shop asking to much money to change a rear cog?

I normally have much love for my LBS, but I've moved recently and am a little unsure about this new one due to the fees he is asking. I have a flip flop hub with a fixed gear (18 tooth) cog on one ...
3
votes
2answers
633 views

Possible to repair a pushed in braze-on?

I have a Trek 7200 (Alpha aluminum frame) and it has two water bottle holder mountings, the top braze-on on the seat tube seems to have broken from over-tightening and has sunk into the frame. These ...
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vote
3answers
650 views

Where is the proper location to measure the tube size?

I need to replace a tube in my bike. I know there are many tire sizes. I bought 26', assuming that my bike was that size, and realized when I got home that I didn't even know where to measure from. ...
5
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3answers
397 views

Shaky Freewheel

I posted a question some time ago about vibrations in the frame of my road bike (a 1973 Sekine). Recently, I determined that the rear wheel is sliding back and forth across the axle, with about 0.5cm ...
6
votes
3answers
643 views

What am I supposed to do when my chain falls off?

It happened when I "stepped on it" (on an empty residential street). It left the chain on the road. What tool(s) and parts should I have had with me, to fix it? It was replaced (new) two months ago, ...
3
votes
4answers
4k views

My crank fell off, how do I re-attach it?

I was out riding on my mountain bike when my crank unexpectedly fell off (video). How do I reattach the crank? There's a torque range specified (25-30 Ft-Lbs): how critical is this? I don't own a ...
2
votes
3answers
1k views

Vibrations in frame when pedaling

Recently, when I pedal sufficiently hard, I begin to feel vibrations through the whole frame of the bike. They are not so strong as to make the bike un-ridable, but neither are they road chatter. I ...
7
votes
5answers
537 views

Is a tire patch kit really necessary for urban commute?

I'm cycling for urban commute, on well-maintained roads and bike paths, Vittoria Randonneur "puncture resistant" tires, and at no point on my ride am I more than 1/2 mile (usually within 1/4, I bet) ...
5
votes
6answers
6k views

For a slightly warped wheel, is it worth getting it repaired?

My son has a relatively cheap kids mountain bike, no suspension or anything flash, and after a minor crash into a friend the back wheel is slightly out of true. It only causes issues under braking ...
0
votes
3answers
8k views

Where Can I Find an Inexpensive Bike Stand Clamp

Are there any recommendations for where I can buy an inexpensive bike stand clamp? I do not know what they are exactly called but the actual part that the bicycle is held onto in a work stand.
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4answers
599 views

Do Master Link pliers help with SS / fixie chain assembly?

A followup to my own question, seeking specific help. I'd like to know if anyone is using a set of "master link pliers" (something like Park's MLP-1) to help them with derailer-free chain work? I ...
3
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2answers
4k views

Slipping gears on new Electra Townie 8i

I just got an Electra Townie 8i bike and the gears are acting weird. I hear clicking noises when pedaling and sometimes it slips down to a lower gear. This is especially true for 4th gear. Is this ...
2
votes
2answers
657 views

How do I know if the tandem bicycle I've inherited is worth repairing? It has a serial # 459310 on it, no other identifiers

I've inherited a vintage tandem. It looks as if it has been spray painted, and has no identifiers, etc remaining on the frame. The serial # on the bottom reads -459310. Any ideas on a make or model, ...
3
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2answers
984 views

Electra Shifter (Revoshift) is hard to turn

My wife has a hard time turning the Revoshift grip on her Electra Townie 7D due to arthritis issues in her hands. Is there a way to help with this issue?
3
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2answers
972 views

Squeaking sounds after lubricating the cogset and chain

My bicycle didn't produce any squeaks until the last weekend, when I decided to make a little maintenance. First, I used "Easy Clean" spray from the White Lightning brand to clean the cogset and the ...