Bicycle Repair Tools Crankset Rama + Wrench - Black + Silver
Tools used: Demolition crank steps: First use an 8mm hex screws screwed tooth plate then put the tooth puller thick plate screwed into the crank that period using a wrench to tighten fixed and then hand that end of the tooth puller thin disk clockwise to tighten with a wrench wring the last few to put crankset top out.