- Adjust timing per cylinder

15-21 R 1200 GS LC

UV resistant and weather resistant

Functions include speedometer

With pre-attached wiring

ps fork spring kit standard duty 49mm 06 10 fxd 06 17 fxdb fxdf fxdl 06 17 fxdwg 06 14 fxdc 08 11 fxcw c 13 17 fxsb v rod 02 11 temp1421 - Adjust timing per cylinder35 50 lbs inch spring rate. Progressive rate fork springs of superior quality. Precision wound and made of high quality chrome silicon wire. Provides a smooth ride but the progressive rate helps prevent bottoming out when taking big bumps. Each kit comes with progressive fork springs and necessary spacers. Fits: 06 10 FXD Dyna 06 17 FXDB, FXDF, FXDL 06 17 FXDWG 06 14 FXDC 08 11 FXCW C 13 17 FXSB 02 06 VRSCA 07 10 VRSCAW 2005 VRSCB 06 08 VRSCD Night