ALPINESTARS SMX-6 v2 Vented Boots - Black - US 10.5 / EU 45 2223017-1102-45 Yz 450 F 2014/2017 throttle response and durability special

throttle response and durability special developed mapping from Dynojet has to be used

Miniature chrome marker lights feature universal bottom-mount brackets

Reduced length for increased ground clearance while cornering

Includes both throttle side & clutch side levers with laser-engraved Arlen Ness® logos

Distinctive design yields increased horsepower and stronger throttle response throughout the entire rpm range

ALPINESTARS SMX-6 v2 Vented Boots - Black - US 10.5 / EU 45 2223017-1102-45 Yz 450 F 2014/2017 throttle response and durability specialBoot 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