Progressive Suspension DS222056 Fork springsRef : PRSU00152A / DS222056

Progressive Suspension - Front Fork Springs (Manufacturer's part number: 11-1130)

Replacement springs for front forks, manufactured in the United States by Progressive Suspension. Progressive winding design: soft initial response for comfort in small travel, then increasing stiffness to limit bottoming out during significant compressions. Supplied in pairs with a 1.00" spacer. Designed for riders looking to optimise front-end behaviour without altering the original geometry.

• Outer diameter: 30.00 mm (1.20")
• Length: 470.00 mm (18.50")
• Spring rate: 0.63 → 0.89 kg/mm (35 → 50 lb/in)
• Packaging: Pair (includes 1.00" spacer)
• Origin: Made in the USA

These springs are suitable for Vintage/Classic, Roadster, Sport/Racing, and Touring motorcycles. They are particularly well-suited for replacing worn components or for fine-tuning your fork's settings according to riding style and load.

Examples of frequently affected models: Harley-Davidson FXR 1340 Super Glide (1994), BMW R 100 RT (1993), and Kawasaki GPX 600 R Ninja (1993). Check the diameter and length of your original spring before ordering to ensure compatibility.