Extra-wide platforms expand the contact surface between cleats and pedals, for efficient power transfer and a solid feeling when you stand on them. Whatever your road-riding level, these are good things. Lightweight composite body. Durable, replaceable stainless steel plate reduces flex and body wear. Extra-large entry target for easier engagement. Wide bearing placement for stable, uniform load distribution. Supplied with SM-SH11 cleat with 6° of float for comfort. Excellent for riders whose feet move naturally during their pedal stroke. Optional cleats include fixed SM-SH10 and front-center-pivoting SM-SH12.