Rims: WTB HTZ i30 29" - ETRTO 622-30 - Inner width: 30mm - 6061 series aluminum - Asymetric and angled spoke hole drilling distributes spoke tension more evenly - Reinforced I-Beam profile - Strong sleeved joint - Drilled for Presta valve - TCS 2.0 Tubeless System compatible - Solid Strip included - Tubeless valve included - 32 holes Rear hub: Shimano XT FH-M8130-B (SuperBoost, MS) - Center Lock (6-Bolt adapter included) - Quick Engagement Freehub, 36 Points, 10 deg. engagement - HG compatible Shimano 11spd and Sram NX / SX splined 12spd (10spd and below needs spacer) - MS compatible 12 Spd Shimano Micro Spline only Assembled in North America by experienced wheelbuilders with Sapim Race spokes (Black), Brass Polyax Nipples (Black)