Sram S40 Aero Road Wheelset. Climb, accelerate, and sprint with no effort with the lightest of our carbon wheels. The new unidirectional carbon fiber used on the structural rim reduces weight while increasing stiffness. Whether using S40s for your local group ride, or on a cyclosportive, their aero shape will always give you the edge.

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Details:

Depth 38mm

Weight 760g (font), 950g (rear)

Spoke Count 18 (front), 20 (rear)

Type Clincher

Material UD Carbon