JT Rubber Cushioned Front Sprocket for Yamaha YZF-R1 / M (2015-2023) Teeth:15 Ventilation openings feature zippers for

Ventilation openings feature zippers for quick and easy control of cooling internal airflow

Part of Alpinestars VIKA collection

Akrapovic Slip-On Exhaust for Kawasaki Z900 2019-2021

The aluminum spacers are made of 6061-T6

auto-lock YKK zipper for main frontal closure

JT Rubber Cushioned Front Sprocket for Yamaha YZF-R1 / M (2015-2023) Teeth:15 Ventilation openings feature zippers forJT Rubber Cushioned Front Sprocket for Yamaha YZF R1 M (2015 2023) Rubber Cushioned Front Sprockets Rubber cushioned sprockets have been widely used by the major Japanese motorcycle manufacturers since early 1990s to dampen the chain impact on the teeth of the front sprocket. JT Sprockets has now released these same sprockets to the after market. Quality, design and OEM proven technology are the same as used for what is supplied to the motorcycle