RaceFace Chester GripsThe Feel You Want. The Grip You Need. Chester is the softest tackiest most advanced grip ever from Race Face. The design process is based on gathered feedback from riders and racers to make sure this grip ticked every box including style. A perforated core design allows more 20A Durometer rubber to sit between your hands and the bar Concentrated thickness under the palm increases ride comfort and reduces fatigue Plus the angled mushroom ribs wick