Progressive Front Fork Springs YSS - Ducati Monster 900 / Monster 900 S / Supersport 750 SS Fairing - YSS

Progressive fork spring set - YSS for Ducati Monster 900 (1993-1999) / Ducati Monster 900 City (1999) / Ducati Monster 900 City Dark (1999) / Ducati Monster 900 Cromo (1998-1999) / Ducati Monster 900 S (1998-1999) / Ducati Supersport 750 SS Fairing (1994-1998) / Ducati Supersport 750 SS Naked (1991-1998).

Product Description:

- YSS internal fork spring set is stiffer than the original;
- The YSS progressive wound fork springs are made from high-quality steel;
- This allows for a reduction in wire thickness which makes the spring more responsive;
- To improve oil flow in the fork, the springs are fully polished and ground on the top and bottom;
- This also reduces noise in the fork;
- The delivery package includes 2 springs for a complete fork conversion;

Technical Specifications:
- Spring model: progressive;
- Length: 320 mm;
- Diameter: 35 mm;
- Spring rate 1: 6 N/mm;
- Spring rate 2: 8.5 N/mm;
- Left air chamber: 130 mm;
- Right air chamber: 130 mm;
- Recommended viscosity: 10W.

The complete application list can be found below.