ALPINESTARS SMX-S Boots - Black/White - US 4 / EU 37 2223517-12-37 Scorpion Hub Puller Sealed beam unit

Sealed beam unit

Add visibility for safety

backlit digital display Allows more precise tuning Programmable warning alerts rider of too lean or too rich ratio Displays ratio between 10

WR250 2008-2017 and VMax 2009-2016

ALPINESTARS SMX-S Boots - Black/White - US 4 / EU 37 2223517-12-37 Scorpion Hub Puller Sealed beam unitDurable 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