RG 5100系列亦为一片式镜片设计，适合自行车，铁人三项，登山车等高强度运动。

独特的超轻量与空气力学镜框设计，配上宽广的镜片与四个对流风孔，给予了不被环境给打扰的视野品质

RG 5100 is a one-lens glasses, suitable for some kind of sports, as: cycling, triathlon, mountain biking and more.  The frame is aerodynamic, light and with an unique design. In this model the lens is wide and has two holes that guarantee an high ventilation without disturbing the view.

RG 5100系列亦为一片式镜片设计，适合自行车，铁人三项，登山车等高强度运动。

独特的超轻量与空气力学镜框设计，配上宽广的镜片与四个对流风孔，给予了不被环境给打扰的视野品质

RG 5100 is a one-lens glasses, suitable for some kind of sports, as: cycling, triathlon, mountain biking and more.  The frame is aerodynamic, light and with an unique design. In this model the lens is wide and has two holes that guarantee an high ventilation without disturbing the view.