Ergonomic Design: The ergonomic bike grips eliminate hand pain, numb fingers, sore wrists and forearms. The palm pad can reduce pressure, relieving the ulnar nerve while supporting the hand and wrist in an ergonomically position Very Comfortable and Durable: This bike handle grips are made of soft and durable rubber compound, which increase palm cushion and finger grip, keep your hand feel comfortable and no pressure on a long ride even with or without gloves Super Grippe and Sticky: More textured non-slip surface pattern provides extra grip, and the handlebar grips are very sticky even when rides in the wet weather Easy to Install: Installation is easy as long as you get your old bicycle grips off and securely locked into place, no need to install the bar end caps Fit standard bicycle handlebars with a diameter of 22.2mm and weigh only 138g (4.8oz) per pair Ergonomic Design Mountain Bike Grips