MOOSE RACING Dual Sprocket - Silver - 51 Tooth 1210-897-51-11X Moose Pit Shirt Fitment: Yamaha R1 2017 /

Fitment: Yamaha R1 2017 / R1M 2017 / R1S 2017-2019 (See separate listing for 2015-2016 models)

NOTE: Must be used with Pro Circuit silencer

The 1202 World's Best Belt has a taller side profile

you just unbolt the stock and simply bolt ours on

Helps your newly-installed LED lights flash normally Install only one relay for all 4 LED indicator lights

MOOSE RACING Dual Sprocket - Silver - 51 Tooth 1210-897-51-11X Moose Pit Shirt Fitment: Yamaha R1 2017 /Designed to outlast standard aluminum rear sprockets and is much lighter than steel rear sprockets Inner ring is made from 7075 T6 aluminum and the outer ring is made from heavy duty steel Self cleaning mud grooves between each tooth to prevent dirt build up