- The HB-1P hubs are designed to meet the rigorous needs of BMX racing. The HB-1P hub shells are cold forged from 6061-T6-aluminum alloy ensuring the maximum strength-to-weight-ratio. They come equipped with a wide Shimano-compatible cassette body for easy chainline adjustments. And the cassette has 120 points of engagement for fast and precise forward drive. Available in black with laser-etched logos and 36 spoke holes, each hub set includes front and rear hubs with chromoly 10-mil (3/8”) male/female axles, 16T cog, 10-mil cog spacer and lock-ring. The complete hub set including cog, spacer and lock-ring weighs 782 grams/27.8 ounces per pair.