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Questions tagged [damage]

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

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3
votes
4answers
287 views

Tire blowout on long descent

I was using mild braking on a very hot day, a couple miles down the hill the back tire blew out the sidewall on a Continental Ultra Sport 700x23C inflated to around 100psi. The rim was quite hot to ...
3
votes
0answers
141 views

Scrap it or not

I purchased this Bottecchia full-carbon frame a a few years ago and built it up using Shimano 105 components. Shortly after the build was done it came off the rear mounted rack on my car and went ...
3
votes
2answers
177 views

E-Bikes - Is it bad for the bike to run out of battery?

Today, I ran my e-bike out of battery for the first time. Interestingly enough, the bike didn't actually turn off, but automatically moved the mode from "Eco" (light pedal assist) to "Off" (no pedal ...
0
votes
2answers
168 views

Rear wheel slipping out of slot after attempting a 180

So whenever I try a 180, I seem to put quite a bit of sideways force on the rear wheel when I land because I never make it the whole way. After the landing, it causes the wheel to come out of its slot....
2
votes
2answers
249 views

Is this damaged aluminium frame unsafe to use?

Hello I have a Giant Seek 3 aluminium frame where somehow the rear rim has rubbed the frame creating a hole as shown in the picture. On the other side there has also been some rubbing/scratching but ...
2
votes
2answers
146 views

Help please - Dent in top tube of double butted aluminium frame

I have a ridgeback velocity which is labled as double butted aluminium. Around the middle of the toptube is a dent shown in the photo. There is also a short line above it which I can feel with my nail....
0
votes
1answer
79 views

Damaged in a crash

Hey so a week ago I got a new bike. And when I get something new I try to keep it brand new as long as possible and not taking a single damage, even the touch of wind it makes me feel that damaged it. ...
-1
votes
4answers
95 views

Is not changing/shifting gears much bad when riding around?

I usually would set the gear to one level and leave it at that if I felt comfortable -- however, I just heard of someone changing gears on stops and whatnot to help with the initial inertia from full ...
2
votes
1answer
112 views

Should a cross-threaded (but functional) freehub body be considered safe?

I cross-threaded my cassette lock-ring on a pair of Fulcrum racing 4 DBs (aluminum threads AFAIK). Upon removing the cassette it looked like the top of the threads were slightly damaged, but I was ...
4
votes
3answers
917 views

How to assess safety of carbon frame after crash?

I was recently hit by a car which pulled onto a roundabout. The driver hadn't seen me. The car hit me hard enough to actually snap the rim of my rear wheel. The bike has a carbon fibre frame and ...
1
vote
1answer
163 views

Frame with dent

I recently bought a bike and then realized it had a dent on the top tube. I would like to know your opinion if it is safe to ride. The bike is a Devinci Cameleon made from double butted aluminium. The ...
14
votes
4answers
3k views

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 ...
3
votes
3answers
276 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 ...
9
votes
1answer
136 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 ...
11
votes
3answers
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 ...
3
votes
2answers
254 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.
4
votes
1answer
267 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 ...
2
votes
2answers
622 views

Cone of axle damaged?

Looking at the provided image, is the cone sufficiently damaged that it need replacing? Thanks!
0
votes
3answers
3k 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 ...
4
votes
3answers
229 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 ...
0
votes
1answer
112 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 ...
0
votes
2answers
133 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, ...
0
votes
2answers
183 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 ...
3
votes
3answers
1k 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 ...
3
votes
3answers
209 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 ...
1
vote
2answers
91 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 ...
5
votes
1answer
585 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 ...
18
votes
6answers
7k 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 ...
8
votes
5answers
2k 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 ...
1
vote
2answers
6k 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 ...
9
votes
1answer
668 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? ...
5
votes
1answer
454 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 ...
2
votes
1answer
99 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 ...
6
votes
2answers
2k 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 ...
16
votes
5answers
5k 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 ...
1
vote
1answer
922 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 ...
2
votes
1answer
172 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 ...
6
votes
3answers
502 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 ...
0
votes
1answer
76 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 ...
25
votes
1answer
7k 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
7
votes
6answers
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. ...
7
votes
3answers
2k 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 ...
0
votes
1answer
102 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 ...
1
vote
1answer
348 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 ...
2
votes
2answers
384 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 ...
3
votes
1answer
2k 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 ...
5
votes
2answers
2k 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 ...
9
votes
2answers
2k 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 ...
2
votes
3answers
510 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 ...
1
vote
3answers
3k 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 ...