GREAT FOR Indoor BIKES: The pedals are specially designed for Indoor bikes. Strong material: Die cast aluminum body, Extra heavy duty oversized CNC Cr-Mo 9/16" Axle; Smooth riding: sealed bearings. Friendly reminder : Please do NOT use other pedals such as road or MTB pedals on Indoor bikes. <br/>ADJUSTABLE CAGE POSITION: The only Indoor bike pedals come with adjustable toe clip position. The max adjustment range is 15mm. It will always give riders very optimized riding position no matter how big feet the riders have. Size: 103 x 85 mm. Axle thread: 9/16".<br/>DUAL FUNCTION: Riding with clipless shoes: More efficient energy transfer to pedals or riding with casual shoes. LARGE PLATFORM: The aluminum body is 103 x 85mm relatively large. It ensures more riding stability. SC-C01F Cleats are included. Material: Steel. Compatible with SHIMANO SPD. Cleats weight: 40g=0.08lbs /pr.<br/>ADJUSTABLE TENSION: The cleats tension could be adjusted by the screw on the side of the pedal. It allows riders to achieve perfect clip in and out feelings. Package: One set of pedals with toe-clips and cleats. Total Weight: 920g=2lbs /pair.<br/>