ALPINESTARS SMX-1 R v2 Boots - Black - US 12 / EU 47 2224521-10-47 X-Power Kit 5-inches longer than Cobra's standard

5-inches longer than Cobra's standard bolt on rack For Cobra sissy bars see SEATS & SISSY BARS section Made in the U

15% Power Gains with no tuning

New low-profile design fits under stock primary cover

Then analyzing rider data and feedback to come up with most optimized setting to improve your R3 and make it ergonomically correct

ALPINESTARS SMX-1 R v2 Boots - Black - US 12 / EU 47 2224521-10-47 X-Power Kit 5-inches longer than Cobra's standardA 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