Features of the Shimano Dura-Ace PD-R9100 Pedal Excellent pedaling efficiency Shmano 3-year limited Warranty Smooth rotation 2-Ball bearing, 1-wide roller bushing Stainless steel body plate Reliable durability Performance Customize the entry and release tension settings Excellent pedaling efficiency Efficient power transfer Stable and uniform load distribution Adjustable entry and release tension settings Optimized balance of weight and rigidity High stability Wide bearing placement for uniform load distribution Injection molded carbon composite body EXTRa-wide platform for stability and power transfer Rider tune Hollow cleat bolt Efficient power transfer/durability Reduces flex and pedal body wear 4mm Longer axle model available Wide platform Cleat retention adjuster Sealed mechanism Specifications Pedal axel material: Nickel chromoly steel Generation: Dura-Ace R9100,Dura-ace R9100E1 Pedal body material: Carbon Road clearance: 35Adeg Binding: Single sided Cach copy: An lightestan lightest Average weight: 228g