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 2sided 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