Progressive rate fork springs have several advantages over straight rate springs. The benefit of this is that the spring can be soft enough at the start of the travel to offer a "plush" ride yet be firm enough at the end of the travel to soak up the big bumps. Simple Installation
Upgrade the comfort and performance of your Harley-Davidson with the Öhlins NIX30 American V-Twin cartridge kit. The Öhlins FKS cartridge kit for the Harley-Davidson Softail is based on race proven Öhlins NIX technology to elevate your ride comfort and performance.
Converts dual damper rod forks to high-performance cartridge forks.Contains a pair of high-performance, gas-charged mono-tube fork cartridges and custom-tuned fork springs
For Harley-Davidson XL 1200C Custom,XL 1200N Nightster,XL 1200X Forty-Eight,XL 1200R Roadster,XL 1200V Seventy-Two,XL 883,XL 883C Custom,XL 883L Low,XL 883N Iron,XL 883R.Improves resistance to front brake dive, front end stability, cornering and bottoming control
For Harley-Davidson Dyna FXDF Fat Bob,FXDL Low Rider,FXDB Street Bob,FXDWG Wide Glide,FXD Super Glide.Bitubo code HD003JBH12WO.Dedicated to Cafè Racer, Harley Davidson and Modern Classic, the JBH1 Kit can be lowered down to -30 mm depending on the application to further customize your "Special".