OEM #459U-520-38GYSI
All rear sprockets are the ultralight design making them 66% lighter than steel, yet incredibly durableMachined self-cleaning mud grooves at each tooth to help increase wear resistanceCNC machined from a specially enhanced 7075 T-6 aluminum alloyREAR SPROCKETSCertain models available in ultralight design for a 10-15% weight savingsMachined self-cleaning mud grooves at each tooth to help increase wear resistanceCNC machined from case hardened and core refined 655M13 Nickel Chromium steelFRONT SPROCKETS
