ALPINESTARS Bionic Action V2 Protection Jacket - Black - XL 6506823-10-XL Sportbike Race-Spec High-Flow Air Filter™ — Round Bottom side cog machining for

Bottom side cog machining for better

2007-2011 Yamaha WR 450 F - Notes: 2007-2010Must use YZ250F/450F '06-'09 shrouds

Material diameters and lengths are optimized for maximum power output throughout the throttle and RPM range

The Ti-6 Titanium Exhaust System is designed to improve performance and is constructed of titanium throughout the head pipe

Available in 100mL tubes

ALPINESTARS Bionic Action V2 Protection Jacket - Black - XL 6506823-10-XL Sportbike Race-Spec High-Flow Air Filter™ — Round Bottom side cog machining forFeatures a new Cell Technology chest protector with a perforated shell for high levels of ventilation and protection Cell Technology back protector with a flexion channel for enhanced mobility Protectors are perforated for breathability and cooling ventilation Elastic closure system features newly designed quick, easy to use buckles that fit a broad range of rider body sizes Padded chassis for comfort and close to body fit Shoulder straps feature a