ALPINESTARS SMX-1 R v2 Boots - Black/Red - US 7.5 / EU 41 2224521-13-41 Alpha Hat Combination of stretch polyamide fabric

Combination of stretch polyamide fabric and softshell material on glove back

Sides have thermoformed padding with additional perforated viscoelastic foam underneath

Designed to withstand highly modified motors

Effective Voltage (DC 12V) Volt Meter (DC 8V - 18V)

This black R1 is used when installing aftermarket sport bike clip on handlebars on your Yamaha R1

ALPINESTARS SMX-1 R v2 Boots - Black/Red - US 7.5 / EU 41 2224521-13-41 Alpha Hat Combination of stretch polyamide fabricA class leading, low cut performance riding boot, the SM 1 R v2 Vented Riding Shoe incorporates a host of technical innovations for improved levels of comfort, fit and durability. Constructed from a lightweight and abrasion resistant microfiber upper with extensive perforations for maximum airflow and breathability, the shoe is also equipped with strategically positioned TPU protectors for abrasion resistance in a key area. The SMX 1 R v2 Vented