ALPINESTARS SMX1-R V2 Boots - Black - US 6.5 / EU 40 2224021-1100-40 Swingarm Pivot Shaft Kit all components may not be

all components may not be used in every style

Special pinion shaft threads and extended jackshaft bolt allow for a wider range of applications

5L fabric and taped seams Bungie adjusters at hood and hem

more aggressive exhaust note

Seamless steel tubing

ALPINESTARS SMX1-R V2 Boots - Black - US 6.5 / EU 40 2224021-1100-40 Swingarm Pivot Shaft Kit all components may not beThe main upper material is microfiber Tongue and rear accordion made by lightweight padded material that offer superior comfort Airflow and ventilation are improved thanks to lateral Air Intake with metallic mesh New speed lace system derived from Alpinestars MotoGP technology for improved quick precise and secure closure Higher closure system with new adjustable hook and loop closure and debossed Alpinestars logo Foam backed double density ankles