Locking: Grip adopts locking, which effectively prevents grip from loosening and provide more grip . Silicone : Selected from silicone , with good sweat absorption. Excellent shock absorption effect: The internal of grip is reasonably, which can provide more comfortable . Strong durability:Selected from silicone , which have long service life and strong durability. Easy installation: The installation of grip sleeve is simple, just put on the Handlebars of the Bicycles without additional tool.