ALPINESTARS SMX1-R V2 Boots - Black - US 10.5 / EU 45 2224021-1100-45 RM-Z450 2018-2023 Replaces a complete steering rack

Replaces a complete steering rack at a fraction of the price of OEM

Tool-less installation

or can be removed entirely

Ergonomic stretch insert on palm and thumb

125% pressure volume and 135% scavenge volume over OEM stock TC88 oil pumps

ALPINESTARS SMX1-R V2 Boots - Black - US 10.5 / EU 45 2224021-1100-45 RM-Z450 2018-2023 Replaces a complete steering rackThe 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