Dt swiss aero speed black wheel spokes 18 packdt aero speedis a flat spoke with a constant diameter the middle section of the spoke is bladed to a diameter of 23 mm this process makes it stable and the bladed shape gives the spoke perfect aerodynamic characteristics the ideal relation of stability and low weight make this spoke a very good choice for road wheels and light mtb wheels this spoke fits hubs with standard spoke holes for years dt aero speedbelongs to the strong and reliabl