NORTHWAVE Sonic SRS Air CARBON Road Bike Shoes SPD SPD-SL Size 45 Mesh NW - NEW Our ultimate professional shoe is barely noticeable on your feet, but transfers every single watt to the pedals. Model Features: Manufacturer: Northwave Model: Sonic SRS Color: Black / White Pedal compatibility: 3 screws (can also be converted to 2 screws with an adapter. adapter is not included) Size: 45 Insole length: 29.3 cm NRG Air Carbon Reinforcement Sole central ratchet closure 2 additional Velcro fasteners