Check the listing for details. Progressive Fork Springs for 41MM 1984-2017 Harley Davidson. Condition: New. Listed at 109.80 USD. Progressive 11-1131 Fork Springs for 41mm NON Cartridge Pair 1947Harley-DavidsonFL1948Harley-DavidsonFL2013Harley-DavidsonRoad Glide2013Harley-DavidsonElectra Glide2013Harley-DavidsonRoad King2014Harley-DavidsonRoad King2014Harley-DavidsonFatboy2015Harley-DavidsonFatboy1962Harley-DavidsonDuo Glide1963Harley-DavidsonDuo Glide1964Harley-DavidsonDuo Glide2013Harley-DavidsonStreet Glide1949Harley-DavidsonHydra Glide1950Harley-DavidsonHydra Glide1951Harley-DavidsonHydra Glide1952Harley-DavidsonHydra Glide Features High-quality, high-performance replacement fork springs A Progressive Suspension rate spring has the advantage of a rising rate resistance to compression The benefit is the spring can be soft enough at the start of the travel to offer a "plush" ride, yet firm enough at the end of the travel to soak up the big bumps Spring rates have been chosen to reduce front-end dive during braking, yet still provide excellent ride comfort NOTE: Includes 5" PVC spacer. For '02-'05 touring models with cartridge fork, use Part Number 0405-0070. Specs PRODUCT NAME FORK SPRINGS MODEL STANDARD COLOR/FINISH BLACK FOR FORK TUBE DIAMETER 41.00 MM UNITS PAIR RIDING STYLE STREET Progressive 11-1131 Fork Springs for 41mm NON Cartridge Pair Features High-quality, high-performance replacement fork springs A Progressive Suspension rate spring has the advantage of a rising rate resistance to compression The benefit is the spring can be soft enough at the start of the travel to offer a "plush" ride, yet firm enough at the end of the travel to soak up the big bumps Spring rates have been chosen to reduce front-end dive during braking, yet still provide excellent ride comfort NOTE: Includes 5" PVC spacer. For '02-'05 touring models with cartridge fork, use Part Number 0405-0070. Specs PRODUCT NAME FORK SPRINGS MODEL STANDARD COLOR/FINISH BLACK FOR FORK TUBE DIAMETER 41.00 MM UNITS PAIR RIDING STYLE STREET 1947Harley-DavidsonFL1948Harley-DavidsonFL2013Harley-DavidsonRoad Glide2013Harley-DavidsonElectra Glide2013Harley-DavidsonRoad King2014Harley-DavidsonRoad King2014Harley-DavidsonFatboy2015Harley-DavidsonFatboy1962Harley-DavidsonDuo Glide1963Harley-DavidsonDuo Glide1964Harley-DavidsonDuo Glide2013Harley-DavidsonStreet Glide1949Harley-DavidsonHydra Glide1950Harley-DavidsonHydra Glide1951Harley-DavidsonHydra Glide1952Harley-DavidsonHydra Glide Part listed fits Models described and may fit other models not listed, contact us if you have fitment questions. Warranties are Manufacturer Warranties when applicable-Message us for details. Returns must be in the unopened, unused condition. All parts are in stock and ready to ship Reliable Award Winning Seller Fast Same Day Order Processing and Shipping Free 30 Day Returns Knowledgeable staff We respond to any and all buyer questions or issues We Ride, We Race ©Bikes Trikes, and Quads LLC