Koło Belt with Bearing Universal koło Aluminum Alloy Belt for Exercise Accessories 88 mm Blue Description: [Highest Quality Material]: This multifunctional koło belt is made of aluminum alloy, which ensures its durability and. so you will be able to use it for a long time. [Precision Design]: Koło has been made by CNC machining to ensure high precision and has anodized surface treatment, which improves its overall appearance and performance. [Smooth operation]: With its smooth surface, this koło wheel provides easy movement and handling. It is designed to provide a smoother feel during training sessions. [ Versatile Use]: This koło is suitable for most exercise equipment and garage door pulley systems. [Great Replacement]: This universal koło pulley with bearing is an excellent replacement for some worn-out pulleys on the gym machine. Specification: Material: Aluminum Alloy Size chart: diameter: 8,8 cm/3,46 inch, center thickness: 2,5 cm/0,98 inch, inner hole: 1 cm/0,39 inch The package includes: 1 koło belt bearings