The rapide sl 35 alloy aero wheelset offers a true aerodynamic advantage for all around performance a wide internal rim width provides a better tyre profile for incredibly precise handling while the rim shaping delivers a light weight high performance wheelset rapide sl 35 faster everywhererim type clincherrim material alloybraking surface cnc alloybrake track height 9mmrim depth35mmrim width 17mm internal 22mm externalfront spoke pattern radialrear spoke pattern radial2 cross 21