SIDI Physis Mountain Clipless Shoes - Sand 39 Length-344 ASPD - Addix Speed compound

ASPD - Addix Speed compound features improved rolling resistance while also increasing durability and and overall grip

The light yet responsive button clicks over rough terrain eliminate second-guessing for greater confidence and flow

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Top-of-the-line rear derailleur with generous use of carbon fiber and titanium for maximum performance at minimal weight

preventing binding and ensuring consistent clamping force

SIDI Physis Mountain Clipless Shoes - Sand 39 Length-344 ASPD - Addix Speed compoundPhysis 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 foots 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 during