Remove A Shimano Hollowtech Crankset On A Bike
Undo Pre-load Cap
Undo and remove the plastic pre-load cap. It's only finger tight and is removed with a special plastic tool, designed specifically for Shimano Hollowtech cranksets.
Lift The Safety Tab
Use a small screw driver to lift the plastic safety tab.
Pull Off The Left-hand Crank
Wiggle the left-hand crank to loosen it and pull it off.