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How To Overhaul Bike Bottom Bracket With One Piece Crank

I show how to take apart the bottom bracket of a bike with a one piece crank, clean everything, install new bearings, lube it and put it back together again. The grease I use is just a good quality automotive type grease. This bike is a GT Bullet 24 inch kids mountain bike. I got …Read more »

Straightening A Bent Chainring

I show how to repair a bent chainring (chainwheel) on a bike. I bought this bike used (A vintage Legnano), but it needed some work. The chainring was bent when I got it. The tools I used were a screwdriver, an adjustable wrench, and a VAR Chainring Straightener tool. But the job could have been …Read more »

How To Remove/Install Crank Arms On A Bike

I show how to remove and install crank arms on an older vintage bike with square tapered spindles. In the video, I use a Crank Arm Puller tool made by Park Tool. [asa comment=”Park Tool Crank Puller”]B0028YUZSS[/asa]

Repairing Stripped Crank Arm Pedal Threads

I fix the stripped pedal mounting threads in an aluminum crank arm. The original pedals had been seized in the cranks (probably galvanic corrosion between the steel pedal axles and the aluminum cranks). I managed to get them off, but they removed some of the threads with them. Using a Unior Pedal Tap and Thread …Read more »

How To Repair Damaged Crank Arm Threads

The bike I have been working on had damaged threads on one of the crank arms, making it difficult to remove. It seems like maybe they had been cross-threaded at some point. I bought a crank arm thread chaser tool from Bicycle Research Tools (TC-8) and used it to fix the threads in the crank …Read more »