ALPINESTARS SMX1-R V2 Boots - Black - US 7.5 / EU 41 2224021-1100-41 SMX Plus Boots The cat eliminator silencer slips

The cat eliminator silencer slips onto the included mounting kit and uses spring tabs as an added mounting feature alongside the aluminum bracket

Does not fit with original center stand

Custom Pro Circuit racing graphic on the back

100% Polypropylene

Graves Silencer No inserts at 5000 rpm 103db

ALPINESTARS SMX1-R V2 Boots - Black - US 7.5 / EU 41 2224021-1100-41 SMX Plus Boots The cat eliminator silencer slipsThe 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