Ergon GS1 Leichtbau White Bicycle Handlebar Grip Lightweight grip similar to the GX1, but with a slightly larger, softer wing Wing provides hand comfort and support Eliminates hand numbness and reduces upper body fatigue Compact body with a slimmer softer wing, lower grip diameter in the mid section than the GP1, but larger grip diameter in the mid section than the GX1 Light weight rubber compound and Integrated lock-on aluminum clamp,