The race face turbine riser bar blends together comfort and performance the new turbine 34 riser offers category leading sweeps and low rise at an impressive weight 235g this race face handlebar is manufactured from cold drawn 7075 t6 alloy and shot peened for an increased fatigue life this riser bar is butted to create an optimal strength to weight ratio resulting in one tough but light bar features of the race face turbine 34 riser bar manufactured from cold drawn 7075 t6