ALPINESTARS SMX-6 v2 Boots - Black/Gray/Red - US 10.5 / EU 45 2223017-1130-45 Large Capacity Gas Tank Tru-Flo stamping process ensures a

Tru-Flo stamping process ensures a perfect fit and optimum performance

DS-223472 contains 10 friction plates and nine steel plates

This is the absolute best system Superbike pipe available for the Yamaha R1

You can purchase the cat eliminator exhaust separately at any time to complete your LINK ™ performance package

silencer core size and length are all optimized for broad power output throughout the entire RPM range

ALPINESTARS SMX-6 v2 Boots - Black/Gray/Red - US 10.5 / EU 45 2223017-1130-45 Large Capacity Gas Tank Tru-Flo stamping process ensures aBoot upper 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 Thermoplastic Polyurethane (TPU) lateral ankle brace provides a biomechanical support between the