PB HAPPY HANDS SHIFTY GRIP LOCKING TWIST SINGLE BLACKErgonomic grip shift compatible grips with a 100% recycled plastic core Ergonomic shape and durable synthetic rubber construction gives optimum anti slip control, even on demanding terrain or in wet conditions Left side is 132mm, Right side is 92mm and designed for twist shift style bikes Integrated expanding alloy bolt locks the grips in place (3mm hex key included) Designed to fit any standard straight bicycle handlebar with an outer diameter