ALPINESTARS SMX-6 v2 Vented Boots - Black - US 13.5 / EU 49 2223017-1102-49 Transmission Rebuild Kit Strategically placed stretch poly-textile panels

Strategically placed stretch poly-textile panels on underarms

plus TPR flap for broad ranging calf fit adjustment and support

One-piece seat is widely used by motocross and enduro riders who seek it's lightness

PISTON SIZE：4Piston Φ34/Φ30 (Aluminum with Kashima coating)

Padding on fingers for rider comfort and ergonomic puller for ease of use

ALPINESTARS SMX-6 v2 Vented Boots - Black - US 13.5 / EU 49 2223017-1102-49 Transmission Rebuild Kit Strategically placed stretch poly-textile panelsBoot 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