Sidi Shoes Fast Black Size:41.5 Consistently quiet operation (wet &

Consistently quiet operation (wet & dry)

Safe on anodized metal

Freehub(Cassette Compatibility): SRAM XDR

SP-15 Bracket Compatibility: New bracket fits modern aero seatposts securely for reliable rear light mounting

Headset: 1-1/8" - 1

Sidi Shoes Fast Black Size:41.5 Consistently quiet operation (wet &Features SIDIs TECHNO 3 SYSTEM dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit. Reinforced cup that stabilizes and supports the heel. Anatomically shaped plastic, reduces heel slip and provides increased power transfer. The CARBON COMPOSITE 20 SOLE is in nylon and injected carbon fiber. The nylon keeps the technical features unchanged over time. The result is a light and stiff sole.