A lightweight rim with a braking surface. Great low profile looks and slightly wider than the Olympic rim. Optional ABT machined braking surface available. The ZTR 355 can be used with either V or disk brakes and with tubes and tubeless. Stans feature a reduced height sidewall and a patented 'no bead hook'. The rims need to be sealed with tape such as the Yellow spoke (either width) sealing or Nylon tape tape to protect the rimstrip. You also need a rimstrip or valve.No special pads are needed if you use the rim with rim brakes.Tech notes: parts included: rim only26''width: 24.4mm weight 26'': 350-380gholes: 32 (ABT or black) or 28h (ABT only)