Shimano TIAGRA R540 Pedal Description: Origin: MY(Origin) Pedal Category: Self-locking Pedal Use: Road Bicycles PACKING LIST: PD-R540: a pair of R540 pedals + 1 pair of SH11 cleats Use: Road Group: 105 Model: TIAGRA PD-R540 SPD-SL: Single sided Mechanism sealed: Yes Release tension adjustable: Yes Release Angle: 31deg Cleats: SM-SH11 Shimano Tiagra PD-R550 Pedals Description: Model: PD-R550 Color: Grey 9/16" spindle diameter Lightweight Carbon composite body Wide-range spring tension adjustment Easy entry design Includes SM-SH1 "yellow" 3-degree float cleat set Durable stainless steel body plate reduces flex and pedal body wear Extra-wide platform for maximum power transfer Wide bearing placement for stable, uniform load distribution Low maintenance sealed cartridge axle unit Weight: 310g