240 DEG 6B-Disc Rear Hub, 32h, 12x148mm, XD

- Size-optimized 90 tooth ratchets provide DT's fastest engaging hub; 4 degree\n- With DT's ratchet system, all of the teeth on each side of the ratchets engage simultaneously every time. This creates much smaller point loads and results in the legendary reliability of Ratchet System hubs\n- 6-bolt disc\n- Steel cartridge bearings\n- Refined end caps allow for easier disassembly\n- DT Swiss spoke calculator: https://spokes-calculator.dtswiss.com/en/calculator