CNC aluminum locking collars, permanently integrated with the central core Exclusive Ultra TackyÖ compound we use in this grip gives the ultimate in control, through its unique, adhesive surface coating Traction grip pattern was designed to enhance control in all conditions Grooves cut with a rearward facing angle give improved grip when braking or steep descent Open-ended grip features, allowing mud to be purged off the end of the grip The grip material under the palm area has been increased to give improved cushioning. RENTHAL TRACTION ULTRA