RENTHAL Sprocket - Yamaha - Blue - 51 Tooth 150U-520-51GBBU Stella Bond Jacket All rear sprockets are the

All rear sprockets are the ultralight design

This slip-on exhaust is new from the ground up with record breaking race developed features

Packed with Chevron SR1-2 high performance grease with rust and oxidation inhibitors

Snug fit prevents mud/dirt/rock/debris from building up between the skid plate and the motor

-approved spark arrestor

RENTHAL Sprocket - Yamaha - Blue - 51 Tooth 150U-520-51GBBU Stella Bond Jacket All rear sprockets are theCNC machined from a specially enhanced 7075 T6 aluminum alloy Machined self cleaning mud grooves at each tooth to help prevent mud buildup and increase wear resistance Ultralight design is 66% lighter than steel, yet incredibly durable