ALPINESTARS SMX1-R V2 Boots - Black - US 13.5 / EU 49 2224021-1100-49 EZ3 Clutch Lever Replacement Perch Replacing the stock knuckles with

Replacing the stock knuckles with PM billet aluminum knuckles adds strength and style

Strapless can design mounts without the use of strap bands around the silencer by using a bracket that's structurally integrated

5-inch machined aluminum

Stock Full System Weight = 23lbs

flag-style MX roost guard and ATV

ALPINESTARS SMX1-R V2 Boots - Black - US 13.5 / EU 49 2224021-1100-49 EZ3 Clutch Lever Replacement Perch Replacing the stock knuckles withThe 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