Progressive Suspension 04050309 Fork springsRef : PRSU00138A / 04050309

Progressive Suspension — fork spring kit (manufacturer part no: 11-1546). Designed for Vintage/Classic style machines, this progressive spring kit is intended to replace the original components and provide a more controlled fork response depending on the load and riding style.

Designed for riders seeking sharper handling at the front, the kit combines a progressive spring rate and preload spacers to limit dive under braking and offer a firmer feel when the road gets tough or the motorcycle is loaded.

• Outer diameter: 49.00 mm (1.93")
• Length: 457.00 mm (18.00")
• Spring rate: 0.80 – 1.16 kg/mm (45 – 65 lb/in)
• Contents: pair of progressive springs + preload spacers (includes one 4.30" spacer)
• Usage: ideal for heavier riders or those wanting a firmer and more responsive fork

Compatibility: frequently fitted on Harley-Davidson Rocker/FXCWC/FXCW (e.g. 2009–2011 models) — check the diameter and length of your fork tubes before installation. Kit sold as a pair, ready to replace your original springs for a more consistent and secure chassis.