ALPINESTARS SMX Air Jacket - Black/Red - Large 3306523-1303-L 170 CC Big Bore Cam Shaft Includes 10 standard or heavy-duty

Includes 10 standard or heavy-duty springs

A bit louder than Cobra's standard offerings It produces that deep rumble you expect

Engineered to offer greater strength and durability than OEM

6 lbs / Stock System 22

A United States Forest Service approved spark arrestor comes equipped making it easy to alternate between off-road and closed-course racing

ALPINESTARS SMX Air Jacket - Black/Red - Large 3306523-1303-L 170 CC Big Bore Cam Shaft Includes 10 standard or heavy-dutyA motocross inspired textile jacket, the SMX Air Jacket features a main chassis constructed from tech mesh on the riders abdomen, back, and inner arms, paired with 450D polyfabric reinforcement on the outer arms and shoulders The SMX Air also incorporates perforated 450D polyfabric on the upper chest for excellent levels of airflow during the warm, summer riding months Extended polyamide stretch material has been incorporated on the riders back