Motion Pro Lite Loc Rim Lock with Aluminum Nut and Beveled Washer - 2.4oz. 11-0060 One piece molded design made from proprietary high-strength nylon composite Super light and impact resistant Includes the new Motion Pro aluminum LiteLoc rim locknut and beveled washer Unique contoured shape protects inner tube from abrasion and reduces heat Unique angled and tapered ribs lock tire securely to rim