ALPINESTARS SMX-6 v2 Boots - Black - US 9 / EU 43 2223017-1100-43 Air Filter Sealing Grease O2 Sensor Bung with Block-Off

O2 Sensor Bung with Block-Off

The silencer is hung strapless

Designed with a knurled handle

Stronger and more durable than OEM plastic units

950-975 watts power use (per pair)

ALPINESTARS SMX-6 v2 Boots - Black - US 9 / EU 43 2223017-1100-43 Air Filter Sealing Grease O2 Sensor Bung with Block-OffBoot 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