The CycleOps Sweat Guard Bicycle Thong is designed specifically for indoor cycling trainers, providing a comfortable and secure fit for adult riders. Made of microfiber polyester material in black color, this foldable accessory includes a front wheel stabilizer for added stability during workouts. Weighing only 0.2 pounds and originating from Taiwan, this CycleOps product is perfect for indoor cycling enthusiasts looking to enhance their training experience with a reliable and durable accessory. #9704 part number