Shimano SPD-SL Cleats Chamois Butt'R The upper is made of

The upper is made of supple synthetic and adjusts quickly and precisely with three wide straps

Durable rubber outsole

Reflective heel elements for high visibility

Redesigned molded Opti-Flex leash ends for maximum durability

the H2 tire is a no-brainer

Shimano SPD-SL Cleats Chamois Butt'R The upper is made ofPOWER TO THE PEDAL POWER TRANSFER EFFICIENCY SPD SL is the road specific refinement of the system. This pedal platform was designed specifically for the needs of world class road racers. The seamless pedal and cleat interface provides a more efficient power transfer under the extreme pedaling loads encountered in race competitions. FEATURES Nylon resin cleats Non slip rubber tips for easy walking