Total BMX Hangover H2 Cranks  The Hangover H2 Cranks are engineered for strength, precision, and lightness. Featuring 4130 Chromoly steel arms, a 22mm hollow butted 48-spline Chromoly spindle, and lightweight 7075-T6 alloy bolts, these cranks are built to handle the demands of park, street, and dirt riding. Specifications: Material: 4130 Chromoly steel arms Spindle: 22mm hollow butted 48-spline Chromoly Bolts: Lightweight 7075-T6 alloy (6mm/8mm Allenkey) Drive Compatibility: Regular or nano-drive, left or right hand drive Extras: Stamped logo, crank fitment tool, grease capsule included Weight: Approximately 777g (arms and axle) + 28g (bolts)