General description High-quality aluminum timing pulleys designed for precise and efficient transmission. These synchronous wheels feature a robust construction with fiber reinforced rubber belts, ensuring smooth operation with minimal noise and energy consumption. Technical specifications Number of teeth: 20 and 60 Bore diameter: 5mm Timing belt length: 200mm Timing belt width: 6mm Color: Silver + black Material: Metal + rubber Package Contents 8 x 2GT 5mm Bore Synchronous Wheel (20 Teeth) 8 x 2GT 5mm Bore Synchronous Wheel (60 Teeth) 8 x Length 200mm Width 6mm Belt 4 x Hexagonal Wrench Other information Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product. The measurement allowed error is +/- 1-3 cm.