SIDI Fast 2 Road Shoes Minimalist look, maximalist performance The SIDI Fast 2 Road Shoe is the ideal shoe for riders in search of a modern road shoe with on-bike performance and comfort for the longest and fastest rides, and long-lasting durability to hold up for seasons to come. The SIDI Fast 2 is designed with modern aesthetics in mind, with a clean, modern look, paired with classic SIDI performance and legendary comfort. The Aerolite outsole uses a carbon-injected nylon construction that is optimized for aerodynamic efficiency, while providing a bit of flex for those off-bike pit stops. The Tecno 3 System uses an intuitive-and replaceable-dial to quickly achieve the perfect fit, while the pre-formed heel cup secures the rider's foot for added comfort. Whether you're lining up for a local criterium, a spirited coffee ride with friends, or training for that dream brevet, the SIDI Fast 2 is the shoe for you. Features Stiff, efficient sole construction features a carbon-injected nylon for optimal power transfer Tecno 3 System adjustment dial provides a quick, intuitive fit adjustment every time Aerolite sole design optimizes the sole for aerodynamic efficiency Replaceable anti-slip polyurethane heel pad for added longevity SIDI Heel Cup is pre-formed for comfort and a secure fit, with the durability to hold up to years of hard riding SPECIFICATIONSClosure type Tecno 3 dial Outsole Carbon-injected nylon Cleat Compatibility Road, 3-Bolt Intended Use Road, Road Race Sizing US - Men EUUS - Women6. 13976. 539. 57. 66. 4407. 97. 2418. 77. 641. 59. 18429. 58. 442. 59. 98. 84310. 39. 243. 510. 79. 644-1044. 5-10. 445-10. 845. 5-11. 246-11. 947-12. 347. 5-12. 748-13. 148. 5-13. 549-13. 949. 5-14. 350- | Sidi | Fast 2 Road Shoes Men's | Size 43 In Black | Nylon