The standard in cranks for over 3 decades the Profile Cro-mo Crank will get you the finishline first and then handle whatever you can dish out at the trails or skate park. Kit includes Crankarms GDH heat-treated Chrome Moly or Ti spindle crank bolts sprocket bolt flush washers 7mm allen key for GDH crank bolts and the Profile Crank Installation Tool.175mm Arms and New GDH spindle = 880g. Limited lifetime warranty on crank arms and spindle.