Renthal Fatbar Carbon V2 Riser. Features: Extra wide unidirectional carbon bar, optimized for best stiffness and shock absorption Approved for anything from Enduro to Downhill use, with plenty of room for wider direct mount stems Used by Aaron Gwin to win the UCI DH World Cup Specs: Clamp Dia:31.8mm Rise:1.2" (30mm) Width:31.5" (800mm) Up Back Sweep:5/7 deg Color:UD Weight:225g