Sigma
Over Clamp Bulter GPS SIGMA
Sigma GPS Overclamp Butler handlebar mount stable, robust and aerodynamic for the Sigma Sport ROX 2.0, ROX 4.0 and ROX 11.1 EVO cycle computers. It fits a handlebar diameter of 31.8mm and 35mm. Fixing the Overclamp bulter with a screw-on clamp.