SIDI Hiemx S GTX Cycling Boot - Black/Black Size 48 ModelNumber=D1445 Includes special tubeless air valves

Includes special tubeless air valves that allow air to move through the valve without becoming obstructed by the insert

The winged rim provides a smooth resting surface for the tire

(mm) 23 Bearing O

This results in a lighting pattern that better reveals contours and hidden bumps in the road

Patented magnetic fittings and unique magnetic compression strap to quickly stow your belongings

SIDI Hiemx S GTX Cycling Boot - Black/Black Size 48 ModelNumber=D1445 Includes special tubeless air valvesHiemx S GTX is engineered for riders that generate power in cold days. The durable upper is layered with Gore Tex PFC free membrane ensuring waterproofness and breathability so that moisture doesnt build up during the ride. Inner Gore Tex soft fleece keeps the cold out and is a thermal regulator. The sole is engineered to offer the highest levels of grip and prevent constriction that could reduce blood circulation so that the body temperature is