Bike Crank Removal Explained: How-To Guide in 7 Steps [With Video]
To remove a bike crank: identify the type — square taper (older bikes, needs a crank-puller tool), Octalink/ISIS (1990s–2000s, also needs a crank-puller), Hollowtech II (Shimano, modern, 5mm Allen for left arm + plastic preload cap), or BB30/PressFit (just slides out after removing pinch bolts). Modern Shimano and SRAM cranks come off with hand tools … Read more