For sale is a genuine Öhlins rear shock spring, part number 66388-02, with a 27 N/mm spring rate. This is a high-quality suspension spring ideal for upgrading or dialing in your rear suspension.
Details:
• Brand: Öhlins
• Part Number: 66388-02
• Spring Rate: 27 N/mm
• Markings: /27 4018
• Free Length: approx. 115 mm
• Inner Diameter: approx. 48–55 mm
• Color: Black
• Condition: Excellent (no cracks, bends, or damage)
Notes:
• Fits various Öhlins rear shocks (please confirm compatibility with your shock model)
• Perfect for suspension tuning based on rider weight or riding style
• Premium OEM suspension component
Pickup: San Francisco
Message me if you have questions or want additional photos.