The 1Zero HiTop SW carbon rim complies with the terrain thanks to Zipp's proprietary HITOP Technology for carbon layup. The result is a lightweight XC wheel that carries speed through all sections of the trail rocks roots and ruts with the durability required for a trail bike with up to 130mm of travel. A compliant wheel provides more confidence. You don't have to work hard to spin it up to speed or fight your bike when things get chunky. The 1Zero HiTop SW also comes with the TyreWiz tire-pressure monitoring system so you'll always have your tire pressure dialed in for optimal performance. Among the lightest on the market the ZM2 SL hubset ensures you'll be quick to accelerate and back on the pedals sooner after corners with the 1Zero HiTop SW.Carbon - 24H Hookless rim compatible with Tube-type or Tubeless tiresHITOP Technology produces proprietary rim layup to provide compliance and confidence when the trail gets roughLow weight for effortless accelerations and climbingWinged rim provides a smooth resting surface for the tire reducing the chance of pinch flats after a rock hitTyreWiz 2.0 tire-pressure monitoring system includedSapim CX Ray spokes laced to the ZM2 SL hub with standard or Torque Cap optionsLifetime Warranty