SIDI Physis Mountain Clipless Shoes - Black, 43 cadence-speed-sensor Weather-friendly GTX (Gore-Tex) mesh upper

Weather-friendly GTX (Gore-Tex) mesh upper for breathability and comfort

Oversized spoke interface

while its durable construction ensures it will last for years to come

Kit includes VersaValve stems

Insertion Tube: Hardened 304 Stainless Steel

SIDI Physis Mountain Clipless Shoes - Black, 43 cadence-speed-sensor Weather-friendly GTX (Gore-Tex) mesh upperPhysis is designed to deliver all the freedom to top performance. The total carbon stiffness 11 sole with gripping rubber inserts meets Ergofeel anatomic design to preserve the foot's natural functionality. Matched by a premium welded upper, the shoes deliver the greatest balance of comfort and lightness so that fatigue comes at last. The foot is solidly stabilized with Solid Strap, a technology that SIDI patented to eliminate straps' tension loss