About This

• This is upgrade pulley wheel which made of solid nylon .It becomes thicker and with an steel bearing sleeve
• External diameter: 90mm ;Hole inner diameter: 10mm
• Thickness of Bearing: 25mm
• Depth of groove: 10mm ;Width of groove from side to side : 10mm
• 90mm Waterproof bearing pulley wheel is suitable for gym equipment and garage door pulley system