ALPINESTARS Stella SMX Air Jacket - Black - Medium 3316523-10-M Passenger Back Rest - Universal Features four 1/2" and four

Features four 1/2" and four 5/16" aluminum centering washers

Features a floating

Includes 18mm O2 bungs for tuning

backing plate and mounting hardware to make for an easy installation High-flow K&N® air filter element ensures the best air intake and maximum protection for your engine Formed stainless steel mesh insert in the dual entry ports keeps out bugs and debris Unique internal venturi design promotes maximum airflow

Custom engineered to fit specific application and are designed to provide low restriction and increased performance

ALPINESTARS Stella SMX Air Jacket - Black - Medium 3316523-10-M Passenger Back Rest - Universal Features four 1/2" and fourTech Air Ready Dedicated female fit Strategic stretch inserts on side torso and upper back panel Detachable windproof liner Ergonomic design for optimal sport movement and flexibility Mesh chassis with mechanical stretch combined with polyfabric 450D perforated in key areas including the chest panel Waterproof compartment Waist adjusters New inner construction for Nucleon protection insert upgrades, ready to accommodate the new Alpinestars long back