Questions tagged [damage]

Dents, tears, scrapes, scratches to your bike received in falls, crashes, parking failures, roof-rack collisions, etc.

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What options do I have if my rear derailleur breaks when I'm out on a trail?

I ran into an unfortunate situation earlier this week. I was out on a mountain bike trail, alone — just me and my hardtail. I'm pedaling, when I suddenly hear a CRUNCH and my bike stops. The hanger ...
Mithical's user avatar
  • 677
3 votes
3 answers
836 views

Headtube dent, how safe is it?

See picture below, I am in this situation with a new alluminium frame (don't ask me how I ended up here, it's a heartbreaking story.) It’s a Cinelli Mash Parallax. The headtube has a dent and I don't ...
Alessandro Cosentino's user avatar
10 votes
1 answer
356 views

Is this aluminium rim saveable?

I have an 8 inch rear wheel off an adult scooter. It appears to have suffered crush damage - at a guess someone's driven a car over the wheel while on its side. The bend is smooth and covers perhaps ...
Criggie's user avatar
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12 votes
4 answers
3k views

Big dent on frame: How did this damage happen?

I just bought this second hand Ridgeback Impulse folding bike for my partner. I'm a wheelchair user and it was dark and rainy when I collected the bike. So... I didn't check it (facepalm) I just got ...
sarahsarah's user avatar
3 votes
2 answers
438 views

Is it safe to ride this frame?

I don't have a clue what happened… Got the frame this way. Mountain bike is Lapierre Zesty 2014.
Ioan Bogdan Ilies's user avatar
4 votes
1 answer
473 views

I keep destroying new tubeless tires!

My "Googling" haven't exactly yielded many results with people having such obnoxious issues with destroying tires as I do. In short, I destroy such a high number of tires that its becoming one of the ...
Eirik Bernhart's user avatar
2 votes
2 answers
1k views

Cone of axle damaged?

Looking at the provided image, is the cone sufficiently damaged that it need replacing? Thanks!
Panga97's user avatar
  • 21
1 vote
4 answers
9k views

OK to ride with a slightly bent mech hanger?

My rear derailleur took a knock from a fall, and the entire shifting range moved inwards by about one sprocket width. I suspect, but am not sure, that the mech hanger got slightly bent (could be ...
NPE's user avatar
  • 629
4 votes
3 answers
345 views

Is this cone nut in proper condition?

This is the original cone nut of a new coaster brake hub I bought recently. I didn't install it yet, it's new. What bothers me are those weird stains / corrosion signs on the bearing surface. It ...
Robert's user avatar
  • 2,051
0 votes
1 answer
508 views

Fatigue Considerations: Over-tightened Front Derailleur Dent

I'm looking into purchasing a used bike to get into touring/bikepacking. There is a particularly low price Soma Double Cross Disc bike I've found on Craigslist that I think would be perfect... with ...
justathought's user avatar
0 votes
2 answers
230 views

Rim shot? Goes badly out of true at medium tension

I am pretty sure this rim is shot, but wanted confirmation and/or a better understanding of what's up. I'm fixing up a donor bike that was pretty apparently stored outside for years. Despite that, ...
WPNoviceCoder's user avatar
0 votes
2 answers
256 views

What can one damage by bending the wheel?

What parts may be damaged by bending rear wheel manually with very high force? My father bent rear wheel several times with such high force that the tire contacted the seat stays. Could he have ...
Politechniczny's user avatar
3 votes
3 answers
5k views

Can a tire that blew off a rim be safely used on another rim, and under what criteria?

I have a set of tires where one of them blew off the rim on my bike after I slightly over-inflated it. I originally asked a question about this here, and there are more details at that link. The ...
SSilk's user avatar
  • 4,099
3 votes
3 answers
400 views

Is this crank usable or should it be replaced?

I've been suffering from weird noises while pedalling for a couple of weeks. Noise has been isolated to the left foot, its definitely not the right side. After an inspection revealed no cracks or ...
Criggie's user avatar
  • 121k
1 vote
2 answers
178 views

I have a vintage Pinarello with a crooked fork

I have a vintage Pinarello road bike with a bent fork. Like if I am riding the bike and let go of the handle bars the front wheel turns to the right. Usually if you let go of the handle bars the ...
Dustin Powell's user avatar
5 votes
1 answer
1k views

Dent in titanium MTB frame, is the frame OK to ride?

I have a early 90s Basso Ti Hardtail MTB bike (made by Litespeed I believe) which I bought from my room-mate back in the day. I've kept it going with regular maintenance and occasionally replacing ...
Argenti Apparatus's user avatar
19 votes
6 answers
8k views

Does riding high gear up a hill damage a recumbent bike?

I have a recumbent trike with 26 gears. While normally I would shift to a low gear when going up a hill, I found that I can go up hills in the highest gear, the configuration that gives me the fastest ...
Village's user avatar
  • 433
8 votes
5 answers
6k views

Rear Tyre torn at rim - what was the cause?

I had a blowout the other day. On investigation, it was a C-shaped cut in the tube. It patched okay and on reinstalling I found this culprit : The tyre is not new but its not old either - plenty of ...
Criggie's user avatar
  • 121k
2 votes
2 answers
19k views

carbon frame chipped

today while I was riding I lost control of my bike; it was nothing serious, I even fell "standing", but my bike fell on a rock and the carbon frame was chipped. Should I worry about the damage? I ...
Guido Lo Spacy's user avatar
9 votes
1 answer
2k views

What does it take to damage an internally geared hub?

What behavior can easily damage an internally geared hub (Shimano Nexus or Alfine for example)? can one jump off high (say 50cm) curbs? can it be damaged by shifting gears under too much torque? ...
Ivan's user avatar
  • 193
5 votes
1 answer
1k views

To what extent am I responsible for stones flicked by my tires?

Every now and then when I ride over a peanut sized stone the tires squeeze and accelerate it to the side at up to 30m/s. So far I have only hit a building and a car which ended up with a scratch. Am I ...
AzulShiva's user avatar
  • 1,428
2 votes
1 answer
215 views

Fox Talas FIT RLC 32 - broken lock and problem with the right leg

I just finished my first Marathon race today, it was super cool, the best MTB experience in my life -- but there was a super frustrating part. Something broke in my fork right leg, and now that one ...
trialboj's user avatar
  • 141
8 votes
3 answers
5k views

Why are 36-spoke wheels a touring thing?

I've been looking at tourers recently and they tend to have 36 spoke wheels (as does my hybrid on the back after I broke my original rim). What I don't understand is why high spoke counts aren't used ...
Chris H's user avatar
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19 votes
5 answers
10k views

How does a bike 'degrade' whilst unused

What (if anything) will happen to a bike whilst it sits unused, that wouldn't happen to it whilst being used for a work commute over the same period? Suppose I take a 3 month sabbatical and leave my ...
Brondahl's user avatar
  • 333
1 vote
1 answer
2k views

What to do with scratched top tube on carbon fiber frame with no structural damage?

No physical damage, if i press into it nor while riding. I did wipe the surface to get rid of dirt and paint chip. Attached also a video to demonstrate the scratch. Should i put epoxy or tape or nail ...
nolawi's user avatar
  • 1,290
2 votes
1 answer
207 views

Do you know as soon as you are riding on a flat?

Today I did a 55km ride and at some point I got a puncture on my rear tyre. The problem is that I do not know if I kept on driving for a while on it and damaged the tyre or the rim, although the rim ...
seedg's user avatar
  • 143
6 votes
3 answers
1k views

Worried I damaged my fork fitting crown race

I'm an idiot. I've been working on building up a Surly LHT frame and was all going fine until I got to fitting the crown race. I couldn't get it to fit properly and instead of making a cup of tea and ...
Tom Pearce's user avatar
0 votes
1 answer
83 views

Lockout Lego on after going down a flight of stairs

I recently was biking on some roads with my Specialized Pitch Sport 2015 MTB when I found a dirt trail, and forgot to shut off my lockout. I did a bit of hopping on my suspension, but the path was ...
Fwappy_Potato's user avatar
25 votes
1 answer
10k views

What is a taco?

I figure that "tacoing" is a typo but I can't work out what it should be. What is a taco, or tacoing a wheel? Originally from this question
Criggie's user avatar
  • 121k
7 votes
6 answers
1k views

Tips for dexterously handling bike lights with winter gloves

I've got some battery-powered LED lights which are mounted using the typical "click-in" bike mounts somewhat like the one pictured below: Unfortunately, I've got the fine motor skill of an elephant. ...
errantlinguist's user avatar
7 votes
3 answers
5k views

Why doesn't my (battery-powered) light work in the cold?

I've got a cheap LED lamp running on three AAA NiMH batteries which stops working when exposed to near-freezing temperatures; is there a likely reason for this? The lamp has been dropped a number of ...
errantlinguist's user avatar
1 vote
1 answer
119 views

Best way to repair damage

I've had kinda of a crash today on my bike. To keep it short, I bumped into a small sidewalk and ended up losing control and crashing into a small wall and went over it (me, not the bike). I was about ...
takecare's user avatar
  • 111
1 vote
1 answer
518 views

After bump, bicycle feel as though tyre is flat (it is not)

I ride a 1970s steel-framed french racing bike. A couple of days ago I went over a small pothole whilst leaning on the front brakes at some speed, and although nothing happened it's since felt strange ...
bgs's user avatar
  • 13
3 votes
2 answers
1k views

Deflated tube: Is it me, or it is the rim tape?

I just had flat tube #4. Enough is enough. Please examine the photo of my rim and the valve stem hole. Is the rim tape too far off of the edge? I had inflated the tire with more air, per the first ...
AlanSmithee's user avatar
5 votes
2 answers
3k views

Carbon Fibre Frame Paint Chip from Stuck chain

My chain got stuck between smallest chainring and carbon fibre frame.. The paint chipped in one place and there is a half mm scratch in another place.. What is the chance that it damaged the carbon ...
Taks's user avatar
  • 231
5 votes
2 answers
3k views

Rode on a flat tire - how do I check for possible damage?

Took quite a fall today while riding, big divot in a gravel path right over the peak of a small hill. After replacing the chain and doing a quick inspection, I resumed the 10 mile trip to the car. I ...
Mike S's user avatar
  • 51
9 votes
2 answers
3k views

Frame with bottle cage boss ripped out - how serious is the damage?

I'm a huge fan of Greg Lemond so naturally when this frame showed up in my local Facebook page with just the frame and headset, no fork. I got very excited. The seller says that the bottle cage boss ...
Ben's user avatar
  • 573
2 votes
3 answers
729 views

Crack in frame near forks

This is a Raleigh 06 grand prix. I've been trying to find a stem that gives me reasonable comfort. I ran a stem that didn't have the proper spacing and rode it a while observing a knocking sound with ...
AdamO's user avatar
  • 281
1 vote
3 answers
7k views

Can these shifters be fixed? Scratches?

I got into an accident where my handlebars got bent. They are very firm and do not seem to budge with force, but I'm a small guy. Can they be fixed? Can I do it myself? What tools would I need? How ...
Jake's user avatar
  • 265
1 vote
3 answers
715 views

Stripped threads on left crank on the first ride

I just purchased a new road bike and had a friend assist me in the assembly. There must have been a problem because it fell off after only 2 miles of riding for the very first time. I used a pedal ...
Austin Henley's user avatar
4 votes
3 answers
2k views

Have I damaged my tyres?

I noticed after mounting some new tyres that part of the side wall, just above the bead, seems to have been damaged while I was fitting them (see photos below). These tyres were especially difficult ...
Will Vousden's user avatar
  • 3,971
3 votes
1 answer
3k views

Replaced left crank arm but still comes loose?

A few weeks ago I bought a new (albeit cheap) self assembly bike from a local store, this bike to be exact http://tinyurl.com/gw77p9t . After about two weeks use (one and a half hours of cycling on ...
Adam's user avatar
  • 133
2 votes
3 answers
1k views

Will using this kind of parking rack damage the wheel?

In Copenhagen, there are many of these parking racks (as shown in the picture), usually people (like me) will just slip the front wheel in and lock the bike. After using them for a while, I happen to ...
Edison's user avatar
  • 121
2 votes
1 answer
1k views

What caused play in my freehub?

I was getting my road bike out earlier and heard a clunking sound when I dropped the back wheel. I repacked the bearings in it ~200 miles ago, and the wobble felt like bearing play. However when I ...
Nic's user avatar
  • 386
0 votes
1 answer
2k views

Does a slightly untrued wheel damage the wheels? [duplicate]

My wheels are slightly out of true, about 1.5 mm at worst part. It doesn't bother me when riding and I don't feel it, but will this hurt or damage the wheel if I keep going on, or should I keep going ...
Ismail's user avatar
  • 1
1 vote
4 answers
2k views

How much of a bruising can a MTB take?

I recently purchased my first MTB, a Rockrider 560, and I'm curious to know how much a roughing up can it take? For example, can I ride up and off kerbs without wrecking the tires? What about bunny ...
A.Banks's user avatar
  • 13
3 votes
2 answers
855 views

Roof-top bike rack crash [closed]

Over the week-end my bike suffered a bike crash while on a roof-top rack. On a whim, the driver decided to go through an underground parking lot, everything happened so fast, I did not have time to ...
John Tremblay's user avatar
0 votes
2 answers
128 views

Small concavities on rims

Recently bought a pair of used zipp 808 clinchers and was a bit disappointed when after a closer look discovered a couple of small concavities (something like 1mm in diameter) on outer side of the ...
krakovjak's user avatar
  • 111
1 vote
1 answer
293 views

Can an untrue wheel cause up down jerks?

I've noticed during a ride that the back wheel was giving me unpleasant up-down kicks (sort of like a weight was added on a section of the rim). I realised later that it had maybe 2-3 mm of left right ...
user3371583's user avatar
4 votes
1 answer
2k views

Continuing to use damaged cones in rear hub?

I've read in many different places that if you take a hub apart and see damage on the cups, cones, or bearings (may god have mercy on you if your cups are damaged) That they must be replaced. I ...
BSO rider's user avatar
  • 5,690