Specifications:
Inner Diameter: Approx. 10mm / 0.39"
Outside Diameter: 3.5cm / 1.38"
Total Length: 3.3cm / 1.3"
Package Weight: Approx. 55g
Optional Color: Yellow, blue, green, red

Package Included:
1 x Drive Chain Roller

Note:
1. Please allow 1-3mm error due to manual measurement. Thanks for your understanding.
2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.
3. Please be carefully check the parts appearance, size, shape and then compare your original goods for compatibility before ordering, Thank you:)