Our fitness equipment support pulleys are designed to enhance the functionality of your exercise machines. Made from plastic, these wheels provide smooth and stable movement for machines, stationary bikes, and other gym equipment. Keep your fitness routine with these reliable and easy-to-install replacement parts. Features -Color:Black -Material:PP -Size:8.00X8.00X8.00cm/3.14X3.14X3.14in -High durability: constructed from pp plastic, these wheels are highly durable and lightweight, providing performance without added bulk -Effortless mobility: the universal wheel design allows for effortless mobility and smooth rolling, making it easy to reposition your fitness equipment -Versatile compatibility: these wheels are compatible with a wide range of fitness equipment, including exercise bikes and machines, enhancing their versatility - installation: designed for installation, these wheels can be easily attached and removed, making them convenient for transport and storage -Improved workout: incorporating these wheels into your fitness routine can increase workout difficulty, helping to target and strengthen core muscles Package list: 1 x pulley