Get the benefits of an “ergonomic” grip in a low-profile shape that’s packed with subtle features. The knurled texture, finger ramps, and super tacky 20A rubber provide ultimate traction. A hidden cutout in the plastic delivers more cushion without increasing the diameter. The Thin Grips are 29mm diameter. The low-profile design maximizes bike feel and control. A simple, streamlined design for riders who want a precision feel. The Thick Grips are designed to maximize grip and minimize arm pump by giving you extra cushioning, a softer compound, and added features for a fully locked-in feel. The subtle palm bulge and ridges on the underside fit in the creases of your fingers for a locked-in feel.