Vision Metron 30 Tubular Wheelset 21/24H 700c tubular DB CL TA12 HG 11/12sp. The Vision Metron 30 Tubular Wheelset is built for competitive cyclists who demand lightweight performance and aerodynamic efficiency. Designed for road racing and time trials this wheelset offers responsive handling and reduced rotational mass making it ideal for climbing and fast accelerations. Its carbon tubular construction ensures stiffness and speed while disc brake compatibility provides confident stopping power in all conditions. Whether youre chasing podiums or personal bests the Metron 30 delivers a race-ready edge.