The shimano pd r9100 dura ace spd sl road pedals with a 4mm longer axle for riders with knee strain or a wider riding position it remains at the highest point of the shimano pedal range constructed with strong and lightweight carbon fibre the pedals will let you put down the power in any situation providing great power transfer the low profile 88mm body height from axle centre to cleat contact surface provides greater cornering clearance while the open design allows for easy access to cle