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Questions tagged [repair]

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.

0 votes
0 answers
17 views

Shimano Dynamo DH-3N31-NH broken lead wire

The lead wire broke between the coil and the connector. The repair joint must fit into the axle groove. I have failed X2 to mend it. Can the lead be repaired at the coil?
Jim Hannley's user avatar
5 votes
3 answers
2k views

Is zip tie a durable way to carry a spare tube on a frame?

I have a number of bikes/scooters for which I want to be able to repair a puncture while riding. For the bikes I use the most, 622mm rim diameter bikes with 28mm-40mm tubes, I carry a spare tube in my ...
juhist's user avatar
  • 20k
3 votes
1 answer
19 views

Bottom bracket tightening old Mercier bike

(I don't know much about bike repair and I may have gotten some words wrong!) I inherited this old Mercier. Everything else is good but the pedal spindle is quite loose. I want to tighten it but it ...
ChatK's user avatar
  • 33
7 votes
4 answers
4k views

Why is my bike clunky, and what is this loose string?

I have a black sport trail all terrain Rockrider that I bought from Walmart for around 150 dollars. All was well for a few months, until I noticed a loud clunky sound with my pedals that made it hard ...
Muzzldmongrel's user avatar
0 votes
1 answer
58 views

Replacement crankset for a Specialized Sirrus X 3.0

I am looking for a replacement crankset for my Sirrus X 3.0, preferably a cheaper option. The stock crankset appears to have a spindle diameter of 24mm, spindle length of 107mm and 40 teeth. I have ...
414Sigge's user avatar
0 votes
0 answers
66 views

Rear wheel resistance but moves freely when not biking?

Hi all I'm at a bit of loss trying to trouble shoot my Surly Long Haul Trucker.I recently bought it used about 3 months ago and then had a new chain and cassette installed. Commuting back from work ...
Adrian's user avatar
  • 1
1 vote
1 answer
119 views

Bike repair put a 700-20 tire on my 700-25 road bike, should I replace it?

I had a flat tire in my rear wheel, so I took my road bike to the repair shop. They had to replace both the inner tube and the tire. After using it for 2-3 times. (mostly just going in to the gym or ...
hboogie's user avatar
  • 11
0 votes
0 answers
25 views

Confused about tire leakage, valve not attached

I’ve gotten a second hand mountain bicycle (felt brand), now the back tire is leaking air and is unusable. First, I thought that the tube was burst and would need replacing. But now I am just confused ...
Felt_mountain's user avatar
2 votes
0 answers
71 views

Rear hub is sticky and clacking when backpadeling

I'm having trouble with my Nexus 8 Hub. It started to feel strange recently after a tour. I got help by someone in a free bicycle garage. We opened up the hub, gave it an oil bath and greased all the ...
alveeoyn's user avatar
1 vote
1 answer
61 views

Fix slight twist in rim

I'm restoring a wheel from the local used bike shop. Over the space of 4 spokes there's a slight left and right twist in the rim. Think of it as a left tilt with an offsetting right tilt on either ...
Macfast's user avatar
  • 11
4 votes
2 answers
643 views

Disc Brakes disengage when braking, why does this happen?

I have a fairly heavy e-bike and I'm a fairly heavy rider. My bike has mechanical disc brakes, and around 5 months ago I was having an issue where the brakes became useless, as in when I applied them ...
John Tracey's user avatar
1 vote
0 answers
48 views

New tire tube and grinding noise?

I punctured my tire tube so i had to remove my back wheel out and replaced the tube, when reassembled, derailleurs started making grinding noises. I checked where the sound was coming and it was ...
user74879's user avatar
2 votes
1 answer
614 views

Reynolds double butted 531C top tube rusted, worth repair or not?

Pictures show underneath of top tube. Tube made of 25.4 mm (1 in) Reynolds 531C steel. Rusted through, cleaned a little with file, and most material is still there. Is it worth repairing? Carbon fibre ...
Fosgen's user avatar
  • 23
1 vote
0 answers
37 views

Need help with Columbia Lauderdale electric mountain bike

I was recently riding my bicycle, and hit a speed bump when it turned off under me. I checked out the bike and in the front motorhub there was a silver wire coming out of the bolt part. It looks sort ...
Gino Jinx Torres's user avatar
5 votes
2 answers
697 views

I need help fixing my axle

Here is my bike: https://www.trekbikes.com/gb/en_GB/bikes/hybrid-bikes/fitness-bikes/fx/fx-1-disc/p/27987/ What appears to have happened is that the axle through my hub has sheared off due to some ...
Joe Hearsey's user avatar

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