PB HAPPY HANDS GRIP-E EBIKE LOCKING BLACKErgonomic shape with broad palm surface prevents fatigue and provides optimum anti slip control Gel and triple density synthetic rubber and fingertip micro texture design provide superior vibration dampening and create a positive and comfortable point of contact between you and your bike Installation is easy with a single lock on alloy clamping collar that keeps grips in place while you ride hex wrench included Designed to fit any standard straight