ALPINESTARS SMX-6 v2 Vented Boots - Black/Gray/Red - US 9 / EU 43 2223017-1133-43 exhaust All welded joints are precision-mitered

All welded joints are precision-mitered and TIG-welded

The steel crimp strip eliminates the tank and core separation common with factory radiators

Note: Professional installation is recommended for optimal fit and function

Specifically designed for up-and-coming youth riders with smaller feet Designed and developed for optimized comfort and fit for junior riders

120" wall 4130 chromoly steel uprights with 1/2"-13 threads

ALPINESTARS SMX-6 v2 Vented Boots - Black/Gray/Red - US 9 / EU 43 2223017-1133-43 exhaust All welded joints are precision-miteredBoot 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