ALPINESTARS Stella SMX-6 v2 Boots - Black/White - US 10 / EU 42 2223117-12-42 Engine Brush Engraved precut lines for length

Engraved precut lines for length adjustment (from 228 to 252 mm)

This FZ09 / FJ09 / XSR900 / MT-09 exhaust system was developed using the same technology that has powered Monster Energy Graves Yamaha riders to 7 consecutive Moto America / AMA Superbike championships along with numerous 600cc titles

High contrast display

Fitment: BMW S1000rr 2010-2020

ALPINESTARS Stella SMX-6 v2 Boots - Black/White - US 10 / EU 42 2223117-12-42 Engine Brush Engraved precut lines for lengthDesigned and constructed specifically for a women's performance fit Boot upper design incorporates an innovative front and rear bellows and rear calf zone for superior levels of flexibility Boot upper is constructed from microfiber for durability and abrasion resistance Ergonomic forefoot streamlining enables greater control of the bike's controls and provides a superior, wide ranging foot profile for excellent fit and comfort TPU lateral ankle brace