Feature:1. Aluminium Material: Made of high quality aluminium alloy material with high strength and wear resistance, having good performance for long service life.2. Powerful Features: Due to the aluminium alloy material, the flywheel has the features of being rust proof and stable, suitable for long term use.3. Close Fitting: A perfect accessories, can effectively prolong the service life of the machine, stable performance, can perfectly match your machine.4. Exquisite Workmanship: With exquisite workmanship and high accuracy, which is safe and environmentally friendly, so you can use it with confidence.5. Warm Prompt: The replacement OEM number is 530059637, please check your model carefully before placing order to avoid inconvenience.How to Use:Install to the appropriate model.Specification:Item Type: Chainsaw FlywheelMaterial: Aluminium AlloyColor: As Picture ShownApplication: for 137, 137e ChainsawProduct Size: Approx.9x9x3.5cm/3.5x3.5x1.4inGross Weight: Approx.305g/10.8ozOEM Number: 530059637 Package List:1 x Flywheel