Race face turbine r 35mm stemthe turbine r stem from race face takes its inspiration from their popular haven model but now features a 35mm clamp and a 0 rise to make it compatible with 35mm bars and modern mtb bikes geometries the turbine r sets a new standard in low weight and high strength making it perfect for any all mountain adventure features 6061 t6 aluminum four bolt bar clamp holds bar securely in position faceplate eliminates stress risers which cause your bar to bend or break