SIDI Nix S GTX Cycling Boot - Anthracite/Ice White, Size 42 shifter-flat-bar-left This means a true floating

This means a true floating system and a total thermal break between the braking surface and the disc

X-HORIZON design reduces shift force

they engineered a swingarm that's nearly half the weight of the earlier model

Steel rails

Single Compound

SIDI Nix S GTX Cycling Boot - Anthracite/Ice White, Size 42 shifter-flat-bar-left This means a true floatingNIX S GTX is SIDI's premium winter road cycling shoe, adorned by those who seek the perfect fusion of speed and warmth. Designed for cyclists worldwide, these shoes are meticulously crafted to elevate the road cycling experience in cold weather. The high tech upper construction made with Gore Tex PFC free and fleece, ensures a sleek and aerodynamic profile, while the sole, with a stiffness level of 9, delivers optimal power transfer with each pedal