ALPINESTARS SMX-1 R v2 Boots - Black - US 12 / EU 47 2224521-10-47 XD-4 Helmet Vented Shield Superior engineering features include a

Superior engineering features include a grid design for maximum cranking amps

Stretch fourchette for optimized flexibility and breathability

inner waterproof document pocket and two inner pockets on the liner for safe and secure storage Large tooth Vislon® main zipper for ease of use

Less susceptible to damage than a longer header

It comes with a single Lambda receiver bung (sensor not included) for on track data logging or Dyno tuning or the addition of FTECU’s Active Tune

ALPINESTARS SMX-1 R v2 Boots - Black - US 12 / EU 47 2224521-10-47 XD-4 Helmet Vented Shield Superior engineering features include aA 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