Fat Paw Lock-On Grips bring the same texture and feel of the popular Fat Paw silicone foam grips to the lock-on grip format. This means that they are comfortable, easy to install, and have excellent vibration-damping qualities. The installed diameter of Fat Paw Lock-On Grips is the same as the Fat Paw silicone foam bike grips, at 36mm. They are compatible with all standard mountain bike handlebars. Wolf Tooth Fat Paw Lock-On Details Grips are made with black silicone foam and come with anodized aluminum collars Includes Wolf Tooth rubber bar plugs 132mm long and 36mm diameter Bolt in collar is tightened/loosened via a 3mm hex wrench Compatible with matching Alloy Bar plugs or Wolf Tooth EnCase System, sold separately Wolf Tooth Fat Paw Lock-On Specs Length: 132mm Diameter: 36mm Material: Silicone grip, Plastic liner, 6061 alloy clamp Weight: 153 grams per pair