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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Selecting a compatible BB: spindle offset

Replaced Shimano Bottom Bracket, now front derailleur won't shift to largest gear How do I measure a bottom bracket? I thought the only thing that mattered when replacing a bottom bracket ...
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134 views

What exactly happened to my rear derailleur?

I had installed my front derailleur and was adjusting the high/low when I noticed my rear derailleur was hitting the spokes of my wheel. Suddenly, I saw a screw pop out and then my derailleur popped ...
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Pressure gauge on my pump stuck at one value, what is wrong?

I have a Specialized Switch Hitter I have used for several years on both Presta and Schrader valves. Recently, my wife tried to inflate her tubes (Schrader valve) and could not get the pump to ...
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39 views

Reoccurring Bent Axles, any reasons or upgrades?

Earlier this month I had a issue with a broken axle. It was the original that was sold with the bike and lasted around 5,000 miles. I went to my LBS and bought a new axle (unbranded, labeled, etc, ...
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Lowrider style bent forks techniques

Would a 24 inch bent fork fit on a 20 inch frame? Is there even a 24 inch fork? Would a 26 inch fit? Also if it doesn't fit in could I just add to the 20 inch - would you be able to extend it making ...
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Mystery item broken on old Dawes. Help!

I was adjusting rear brakes last night and this little thing snapped in half (see image [right]). The linear indent holds my brake cable in place and a 5mm bolt holds this in place. I guess I need to ...
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Serial numbers on bottom of a pedal crank housing from a 50s era Schwinn?

Can someone please explain what these three numbers mean on the pedal crank housing? I believe this to be the pedal crank housing from a 1956 Spitfire Ladies Bike. The Schwinn Serial reads M0D502 ...
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Shimano Inter7 axle unit disassebly

I am trying to disassemble Shimano Inter7 SG-7C26 unit to clean and repair after a bearing retainer that is situated between parts 1 and 2 broke. I am having problems removing part 2. Does anyone know ...
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Peculiar feel when pedaling

I ride an early 90s Scott Unitrack CST with the original Shimano Deore drivetrain it came with. Same as this one. When pedaling, the right pedal has a peculiar feel like a sudden inward jerk at a ...
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44 views

Planet Bike speedometer won't reset

I have a planet bike speedometer and after the winter season it seems that it is no longer functioning. It will come on when the bike starts to move but I cannot reset it and it seems to be frozen on ...
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Where can I find a Shimano cs50 stopper fixing bolt?

Somehow I lost a single 'stopper fixing bolt' on my down tube cable stop. I have a set of Shimano sm-cs50 outer down tube cable stops, and I don't want to buy new ones because I only need one bolt. ...