These extremely comfortable triple-density ergonomic grips are anatomically designed to help cyclists ride longer by reducing hand numbness & fatigue. Aggressive grip texture for better control & shorter hollowed-out support flange for a better grip while descending.> Medically designed by ergonomic specialist Dr. Roger Minkow to prevent Carpal Tunnel Syndrome & cycling-related numbness/weakness of the hands known as Cyclists Palsy > Shorter ulnar nerve support flange plus rounder shaped for better all-around handlebar control in more aggressive riding style > Aggressive deep texture for ultimate grip even in muddy conditions > Flexible ergonomically-shaped platform absorbs shock & disperses pressure > Easily installed locking clamp with 3mm bolt head ensures secure attachment > Softer density in key contact area to cushion the ulnar nerve