Hagon Progressive rate Fork springsHARLEY DAVIDSON 1584 FLHRC 1584 ROAD KING CLASSIC - 2009 - 2010Ref : 500-309-06

The progressive fork spring kit is designed to improve your motorcycle''s handling, roadholding and steering. The progressive coil structure allows the springs to harden as the suspension compresses. The springs work along their entire length, guaranteeing very high end-of-travel hardness (the fork doesn''t heel). Supplied with HAGON fork oil (high-performance additives ensure perfect fork performance, lubrication and protection). Hagon fork springs + oil kits are supplied with assembly instructions and oil level indications, and the quantity and viscosity of oil is adapted to each motorcycle.