ALPINESTARS SMX-6 v2 Vented Boots - Black - US 9 / EU 43 2223017-1102-43 Alternator Stator There is a welded in

There is a welded in o2 bung

O2 Ports for 18 mm and 12 mm sensors

62 mm thickness

with slots centered at 4-7/8"

ALPINESTARS SMX-6 v2 Vented Boots - Black - US 9 / EU 43 2223017-1102-43 Alternator Stator There is a welded inBoot 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