2008 - 2010 GAS GAS SM 450 FSR

Aluminum rear sprocket - 48 teeth | RENTHAL

Product description

FRONT SPROCKETS CNC machined from case hardened and core refined 655M13 Nickel Chromium steel Machined self-cleaning mud grooves at each tooth to help increase wear resistance Certain models available in ultralight design for a 10-15% weight savings REAR SPROCKETS CNC machined from a specially enhanced 7075 T-6 aluminum alloy Machined self-cleaning mud grooves at each tooth to help increase wear resistance All rear sprockets are the ultralight design making them 66% lighter than steel, yet incredibly durable