Convert From Cottered Crankset to Square Tapered Cranks/Bottom Bracket
I show how to replace a vintage cottered cranks/bottom bracket to a newer style square taper bottom bracket and crankset. Covered is removing the cottered crank set and bottom bracket, measuring, and choosing a new square taper BB, and installing the new bottom bracket.
Removing VERY Stuck Crank Arm With Damaged Threads
I battle to remove a hard stuck crank arm with damaged threads. I managed to get it off. If it hadn’t come off when it did, my next step was to heat up the crank arm with a heat gun while the puller had it under pressure. The aluminum might have expanded slightly allowing it …Read more »