The specialized roval sl 35 alloy clincher 700c wheel front the sl 35 offers a true aerodynamic advantage for all around performance a 17mm wide internal rim width provides a better tyre profile for incredibly precise handling while the rim shaping delivers a lightweight and aerodynamic performance wheelset specialized roval sl 35 alloy clincher 700c wheel front features rim type alloy clincher rim material alloy braking surface cnc alloy brake track height 9mm rim depth