Vision metron 40 clincher ud road wheelsetthe metron 40 is built for climbing and cx victorious on the cyclocross track the cobbles of the spring classics and the torturous mountain stages in the pro peloton this wheelset can take whatever you throw at it visions complete wheel system has a 24mm rim width direct pull bladed spokes abs brass nipples 2 to 1 lacing cfd wind tunnel proven aerodynamics and 100 pro podiums over the last few seasons these wheels are living proof that visi