Progressive front fork springs YSS - Ducati GTS 860 / Honda CBF 500 / CBF 500 A ABS / CBF 600 N / RVF 400 R - YSS

Progressive fork spring set - YSS for Ducati GTS 860 (1976-1979) / Ducati Supersport 900 SS Nuda (1991-1998) / Honda CBF 500 (2004-2008) / Honda CBF 500 A ABS (2004-2008) / Honda CBF 600 N (2004-2007) / Honda CBF 600 NA ABS (2004-2007) / Honda CBF 600 S (2004-2007) / Honda CBF 600 SA ABS (2004-2007) / Honda RVF 400 R (1994-1996).

Product Description:

- Inner fork spring set from YSS 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 active;
- To improve oil flow in the fork, the springs are fully polished and ground on the top and bottom;
- This also leads to a reduction in noise in the fork;
- The delivery package includes 2 springs for a complete fork conversion;

Technical Data:
- Spring model: progressive;
- Length: 340 mm;
- Diameter: 35.5 mm;
- Spring rate 1: 6.5 N/mm;
- Spring rate 2: 9 N/mm.

The complete application list can be found below.