Bangin’ Cranks are perfect for the shredder on a budget. Available in both Bangin’’ 8 spline with pinch bolts. The new trapezoid chromoly shape helps prevent flex while still offereing a grindable surface. Full chromoly and heat treatment make these cranks the perfect replacement or upgrade crankset for kids with low dough. - 4130 trapezoid shaped heat-treated tubular chromoly crank arms - 3pc design with 19mm 8 spline - Wrap-welded pedal bosses - RHD and LHD compatible sprocket bosses - Weight: 34.5 oz