- 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