ALPINESTARS SMX-1 R v2 Boots - Black/Red - US 7.5 / EU 41 2224521-13-41 Alpha Hat Sides have thermoformed padding with

Sides have thermoformed padding with additional perforated viscoelastic foam underneath

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

Updrades Graves sku: EXK-19790-SOT to a cat eliminator system or this can be used alongside the stock silencer to remove the cat

and the back presses against the EPS liner

ALPINESTARS SMX-1 R v2 Boots - Black/Red - US 7.5 / EU 41 2224521-13-41 Alpha Hat Sides have thermoformed padding withA 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