SIDI Nix S GTX Cycling Boot - Anthracite/Ice White Size 45 ModelNumber=E4131 Primary Color Black Bead Folding

Primary Color Black Bead Folding Tire Compound GUM-X TPI 3x120 Tire Type Tubeless Ready Tire Weight 455g Tire Width 40C Tire Width Range 39 - 50 Labeled Size 700x40C Tire Diameter/ISO 700C/622 Tubeless Technology Tubeless Ready e-Bike approved Yes

Steel inserts prevents guard deformation prolonging bearing life Color Black

Aero-optimized wheels with Carbon rim supports your ride on different road profiles

30mm Inner rim width Color Black Rear Axle 12mm Thru x 157mm Rim Width (Internal) 30 Cassette Body Type Shimano Micro Spline Wheel Size 27

SIDI Nix S GTX Cycling Boot - Anthracite/Ice White Size 45 ModelNumber=E4131 Primary Color Black Bead FoldingNIX 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 stroke.