SX features fixed front springs for unparalleled spring tension, eliminating unclipping under maximum load. Ideal for BMX and Gravity use. Low profile machined aluminum platform . 2-sided clipless mechanism uses HT’s exclusive H30/X-series cleats. Triple sealed bearings with DU bushing. Adjustable cleat engage/release tension on each side. Exclusive X1 and X2 4d cleats, replaceable pins and hardware included. 85 x 94 x 14mm