Light, strong and comfortable.  The 1/1 Ultralite Carbon is has the most bang for the buck of any gravel wheelset on the market.  It weighs in at a scant 1440g and delivers the reliability of hooked carbon rim designed to withstand mountain bike abuse laced to Industry Nine's 1/1 hub with J-Bend Steel Spoke. 1440g. Tubeless or Tube Type  Clinchers. 25.0 Inner Rim Width