ALPINESTARS SMX1-R V2 Boots - Black/White - US 11.5 / EU 46 2224021-12-46 John Jessup Pro Series Step Up Seat 3" belt drive kit includes

3" belt drive kit includes outboard bearing support for rear shaft

Glass dimensions measure 4-1/2" W x 2-1/2" H

This spring is a necessity for heavier riders or when carrying passengers

Each kit comes complete with extended-length brake

racing bikes

ALPINESTARS SMX1-R V2 Boots - Black/White - US 11.5 / EU 46 2224021-12-46 John Jessup Pro Series Step Up Seat 3" belt drive kit includesThe 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