OEM #123U-520-52GYSI
REAR SPROCKETSMachined self-cleaning mud grooves at each tooth to help increase wear resistanceCertain models available in ultralight design for a 10-15% weight savingsCNC machined from case hardened and core refined 655M13 Nickel Chromium steelAll rear sprockets are the ultralight design making them 66% lighter than steel, yet incredibly durableCNC machined from a specially enhanced 7075 T-6 aluminum alloyMachined self-cleaning mud grooves at each tooth to help increase wear resistanceFRONT SPROCKETS
