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.

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Tube size inquiry for my bike

I’ve taken out the old tube which measures 700x35 45c but I could only find 700cx35 38. Will this fit ok? Many thanks
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1 vote
1 answer
51 views

Broken screw thread on GRX 800 crankset

I made my gravel-dream bike few month ago by hand. I followed all the user-manual sheets from Shimano in order to properly mount the GRX 800 crankset and the pedals on it. I respected the tightening ...
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J.c higgins bike [closed]

I also have the.model #, 50545120 and serial # 0408039. I would like to find out any info please.
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15 votes
11 answers
5k views

As an enthusiast, how can I make a bicycle more reliable/less maintenance-intensive for use by a casual cyclist?

The details of this question may end up being quite specific to my exact circumstances, but I think the information presented in the answers will still be usable and interesting for the general case. ...
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1 vote
1 answer
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How to get my hydraulic disk brake working again?

I have a bike with a hydraulic disk brake and have been observing some degraded performance recently. Yesterday I finally had a close look and noticed that one brake pad permanently touches the rotor. ...
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  • 141
4 votes
1 answer
142 views

Is this a crack? Came off my Carbon frame for the first time

A guy on his phone just walked out in front of me into the bike lane and I plowed him at about 30kms. I walked away without a scratch and he absorbed most of the impact but my bike did hit the ground. ...
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3 votes
1 answer
135 views

Because of a pedal rattle and squeak should I remove my pedals off and how?

The pedals are little rough and rattle quietly. The spindle creaks sometimes. It is not so much its condition but rather that it fail that worries me. I see no way to get the pedals off separately ...
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0 votes
3 answers
144 views

What should I put in a bicycle emergency patch kit for situations more severe than a common puncture? [duplicate]

If my bicycle breaks such as my spoke failure which lead to total tube rupture (but it could lots of possibilities) and I don't have any means to have whole bicycle carried, how can I achieve a ...
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1 vote
1 answer
38 views

How do I fix an Avid BB7 Outboard Pad that Doesn't Retract?

A friend came by with a Bike Friday with a rear BB7 disc brake that no longer worked at all. The adjustment was way off, a result of the undiagnosed fact that the outboard pad wasn't retracting ...
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2 votes
1 answer
97 views

Can a broken ratchet in Shimano Tiagra 4600 rear shifter be replaced?

It looks like the ratchet mechanism broke in one of my shifters. As I try to shift the bit holding the end of the cable stays put and does not follow the lever. Even when it moves I can then pull by ...
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9 votes
6 answers
2k views

Is it safe to ride a frame with a hairline crack in the head tube lug?

I am considering buying an Alan Super Record aluminium frame, but there is a hairline crack in the lug on the bottom of the headtube. Is this a big problem, and would it be unsafe to ride it? Is there ...
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7 votes
2 answers
297 views

Replacing worn pads worsens need for bleeding

I am faced with the most peculiar situation. An old XT brake(BR-M785) in some need of bleeding. I remove the worn out pads, observe no significant gunk accumulation, push the ceramic pistons back ...
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2 votes
0 answers
63 views

Gear up lever will not move

I just got a new bike and unfortunately fell off it on the first ride, now the lever to change gear for my derailleur Mezzu Microshift is stuck in the position it would be if you had upped a gear ...
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  • 121
1 vote
2 answers
101 views

Mechanical Disk Brake Pads Too Thick

I decided to replace my front brake pads since they are worn out beyond function. So after removing the old pads, I made sure the piston was fully out, and the adjusting screw was fully tight as well, ...
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8 votes
2 answers
1k views

Two ill-repair bikes into one?

I have started a new job, cycling roughly 17 miles (or 27 km) each day into work. Previously, it was a very short ride (less than 2 km) into university. I have two bikes that are currently falling ...
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