ALPINESTARS SMX-S Boots - Black - US 5 / EU 38 2223517-1100-38 EGT Sensor RadiusX delivers increased power transfer

RadiusX delivers increased power transfer over OEM and longer clutch life with less adjustment over time

Racing look with a compact size

The unique design incorporates the steering stop into the mounting bracket streamlining the proper setup of your race R7

The Goal of Graves when designing this exhaust system is to provide the best performing

Snug fit prevents mud/dirt/rock/debris from building up between the skid plate and the motor

ALPINESTARS SMX-S Boots - Black - US 5 / EU 38 2223517-1100-38 EGT Sensor RadiusX delivers increased power transferDurable microfiber upper construction that has superb flexibility and a comfortable feel Ergonomic new forefront boot shape is streamlined to better control and feel of the motorcycle controls Thermoplastic Polyurethane (TPU) shin plate protector is race developed for superior impact and abrasion resistance Lateral Thermoplastic Rubbery (TPR) injected ankle support construction provides superior comfort and impact resistance TPU double density ankle