Performance Suspension Fork Springs. Simply The best Springs on the market today made in the U.S.A. Never settle for suspension that doesn't work for you again, with these fork springs you can transform your suspension to what fits your size and riding style. You can trust Performance Suspension to get that power to the ground where it needs to be to keep you moving forward. Accuracy and performance Accurate rates to within 2 percent High stiffness-to-mass ratio, shot-peened, heat-treated and preset chrome silicon steel Choose from varying spring rates to suit your biking needs Color: Chrome Silicon Wire Size: .95 KG/MM INCLUDES: (2) Springs, (4) Preload Washers, Spacer material (if required), Instructions  Tape measurer and Instructions for measuring Pre load and race sag. - Cutting Preload Spacers is required on some models. Thank you for choosing Performance Suspension High-Performance Fork Springs.  These Straight Rate Springs are manufactured from "suspension" quality chrome silicon wire, shot peened, heat treated and 100% tested.  They are the finest available. If you want to turn quicker and have the ability to cut spacers to give your bike a smoother ride and react to your ridding style or weight. This is the kit for you. This kit comes with detailed instructions on how to cut spacers to adjust your pre load for the street or the track and shows you how to adjust your race sag for your weight or ridding style. These springs are stiffer than your stock ones. Follow the detailed instructions will really improve your ride. 2002 Aprilia RST1000 Futura   1999-2002 Aprilia RSV Mille 2001-2002 Aprilia SL1000 20045-2005 Aprilia Tuono 100R Buell Cyclone 1997-2001 Tuono 1000R

• Heat treated Shot peened Chrome silicon

Heat treated Shot peened Chrome siliconPerformance Suspension