Features HITOP Technology produces proprietary rim layup to provide compliance and confidence when the trail gets rough Low weight for effortless accelerations and climbing Winged rim top provides a smooth resting surface for the tire, reducing the chance of pinch flats after a rock hit ZM 900 SL hub with 52 points of engagement for fast acceleration Standard or Torque Cap options on the front hub XD or Microspline driver-body options TyreWiz tire-pressure monitoring system sold separately Lifetime warranty Specifications Size (wheels): 29" Rim construction: Carbon – Hookless Tire compatibility: ISO/TSS Compatible tubeless tires (47-71c) tube or sealant Rim depth: 21.2mm Brake compatibility: Disc (6-bolt) Rim - inside width: 30mm Rim profile: Asymmetrical Rim finish: UD fiber, adhesive decals Hub: ZM 900 Driver body type: Microspline, SRAM XD, n/a Bearings: Cartridge - Steel Max tire pressure: 50psi/3.45bar Max recommended system weight: 286lbs/130kg Spoke Length DS: 288mm, 292mm Spoke Length NDS: 290mm, 288mm Max outside width: 37.7mm Weight (g): 1535 Weight Based On: Estimated lightest weight for wheelset configuration: 15mm through axles and XD body. Rim tape and valves not included in weight.