The Ergon GE1 Evo Factory Lock On Grips is the evoultion of success from the GE1 grips. The Evo Factory version has been improved with feedback from Enduro World Series riders.  Ergon GE1 Evo Factory Lock On Grips Features Improved grip texture and softer compound for increased grip  Actively supports the correct torso/forearm position during downhill riding Integrated end plugs provide soft damping on the ends of the bar relieving pressure on the sensitive ulnar nerve located on the outside of the hand.  2 grip diameters: Standard for glove size Large/X-Large (8.5-10.5) & Slim for glove sizes Small/Medium (6.5-8.5) Carbon friendly CNC Aluminium clamps Super soft, high tactile Factory compound Integrated end plugs