Sidi Silvis XC Clipless Shoe Men's Bike SIDI Aeron XC Clipless Mountain Shoes Men's Black 43.5 Sidi Silvis XC Clipless Shoe Men's Men Sidi Aertis Mountain Clipless Shoe Men's Men Sidi Physis Mountain Clipless Shoe Men's Men Sidi Aertis Mega Mountain Clipless Shoe Men's Men. Experience the pinnacle of cycling performance with the SIDI Aeron XC Clipless Mountain Shoes. Designed for the serious cyclist, these shoes combine advanced materials with a precision fit to enhance your riding experience. Ripstop upper with rubber bumper offers lightweight durability and tear resistance for off road protection. X2FC full carbon sole with stiffness index 11 and integrated toe lugs ensure power transfer and impact support. NUUN 001C aero dials and adjustable instep deliver fast tension control and a secure tailored fit. Heel adjuster and Firmor X stabilize the foot for consistent performance and locked in feel. Designed for optimal energy transfer, these shoes provide powerful traction on varied terrains. How to use Ideal for: These shoes are ideal for mountain biking enthusiasts seeking a reliable and comfortable fit. Simply adjust the dials for a personalized fit and enjoy the enhanced performance on your next ride. Details: Cleat Bolt Pattern: 2 Bolt Closure: Velcro Shoe Size (EU): 43. 5 Gender Age: Men's Color: Black