Wolf Tooth Echo Lock-On Grips are made for mountain biking in any/all forms - The rubber material is soft and tacky to the touch - Alternating diagonal pattern of the grip keeps the rider's hand in place with or without gloves in any conditions - Grips are made with a black 20A durometer rubber on a rigid plastic liner - Comes with anodized aluminum collars that match the eight primary colors of other Wolf Tooth anodized accent pieces - Compatible with standard 22.2mm mountain bike handlebars - Bolt-in collar is tightened/loosened via 3mm hex wrench - Bar end plugs included - Diameter: 32mm - Length: 132mm