The Big Johnson Handlebar's ergonomic design improves the rider's overall body position, making the bike more comfortable to ride, easier to steer and feel like it lost 200 pounds.1-1/4" diameter.Will work with all stock cables, lines and controls.Is a di The Big Johnson Handlebar's ergonomic design improves the rider's overall body position, making the bike more comfortable to ride, easier to steer and feel like it lost 200 pounds.1-1/4" diameter.Will work with all stock cables, lines and controls.Is a di