ALPINESTARS SMX1-R V2 Boots - Black/White - US 11.5 / EU 46 2224021-12-46 Corporate T-Shirt Exhaust springs should be measured

Exhaust springs should be measured when they are off the vehicle

Hard polymer knuckle protection system for superior impact

OEM design incorporates small spherical bearings that carry the load of the entire front end

LINK ™ Silencer No inserts at 5000 rpm 103

ALPINESTARS SMX1-R V2 Boots - Black/White - US 11.5 / EU 46 2224021-12-46 Corporate T-Shirt Exhaust springs should be measuredThe 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