Standard Spring PROGRESSIVE SUSPENSION (manufacturer part number: 11-1525): progressive fork spring designed for Vintage/Classic and Touring motorcycles. Its progressive winding design offers a soft initial phase for comfort during daily use, followed by a gradual increase in stiffness to better resist bottoming out during significant compressions. Made in the USA, with a neat black finish, it maintains the original geometry of the fork to preserve handling and chassis behaviour.
- Type: Progressive fork spring — Standard model
- Fork tube diameter: 49.00 mm (1.93")
- Colour / finish: Black
- Supplied with: 4.63" PVC spacer
- Origin: Made in the USA
Designed to enhance comfort in the initial phase and limit bottoming out at full stroke, this spring is aimed at riders seeking a more progressive fork response without altering the original geometry of their machine. Compatible with several Harley-Davidson Dyna models (FXDLS, FXDWG, FXDL) from the mentioned years, it easily fits into 49 mm forks. Ideal for riders who want a more civilized fork on varied roads while retaining the original road behaviour.
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