Upgrade front suspension performance with the Race Tech Fork Spring 0.54 kg/mm, manufacturer part number FRSP 444954 and vendor part number 200-444954. Designed for select Yamaha and Suzuki motocross and off-road motorcycles, this high-performance fork spring helps provide more accurate spring rates, improved balance, and predictable handling for riders who need suspension performance matched to their application.
Race Tech manufactures this spring from high-quality chrome silicon wire for a high stiffness-to-mass ratio. The spring is shot-peened and heat treated to support long-term durability, consistent performance, and resistance to sacking out. Selecting the correct spring rate is an important step in optimizing suspension response, especially because many sport and off-road motorcycles are undersprung for the average rider. This 0.54 kg/mm spring is engineered as a dependable replacement or suspension upgrade for compatible applications.
Fitment includes the 2014, 2015, 2016, 2017, 2019 Yamaha YZ250F; 2019 Yamaha YZ450F; 2019, 2020, and 2021 Yamaha WR450F; and the 2019 Suzuki RM-Z250. Verify motorcycle year, model, suspension specifications, and required spring rate before installation. Professional setup may be recommended to achieve the best handling characteristics for the rider and riding conditions.
Features:
- Spring Rate: 0.54 kg/mm for suspension tuning and improved handling predictability
- Material: Chrome silicon wire for high strength and a high stiffness-to-mass ratio
- Durability: Shot-peened and heat treated to support consistent long-term performance
- Performance: Accurate spring rate with resistance to sacking out
- Application: Fits select 2014–2017 and 2019 Yamaha YZ250F models, 2019 Yamaha YZ450F, 2019–2021 Yamaha WR450F, and 2019 Suzuki RM-Z250
- Brand: Race Tech
- Manufacturer Part Number: FRSP 444954
- Vendor Part Number: 200-444954
Fitment:
2014 Yamaha YZ250F
2014 Yamaha YZ450F
2015 Yamaha YZ250F
2015 Yamaha YZ450F
2016 Yamaha YZ250F
2016 Yamaha YZ450F
2017 Yamaha YZ250F
2017 Yamaha YZ450F
2018 Yamaha YZ250F
2018 Yamaha YZ450F
2019 Suzuki RM-Z250
2019 Yamaha WR450F
2019 Yamaha YZ250F
2019 Yamaha YZ450F
2019 Yamaha YZ450FX
2020 Kawasaki KX250F
2020 Suzuki RM-Z250
2020 Yamaha WR450F
2020 Yamaha YZ250F
2020 Yamaha YZ250FX
2020 Yamaha YZ450F
2020 Yamaha YZ450FX
2021 Kawasaki KX250F
2021 Kawasaki KX250X
2021 Suzuki RM-Z250
2021 Yamaha WR450F
2021 Yamaha YZ250F
2021 Yamaha YZ250FX
2021 Yamaha YZ450F
2021 Yamaha YZ450FX
2022 Kawasaki KX250F
2022 Kawasaki KX250X
2022 Kawasaki KX450SR
2022 Suzuki RM-Z250
2022 Yamaha WR450F
2022 Yamaha YZ125
2022 Yamaha YZ125X
2022 Yamaha YZ250
2022 Yamaha YZ250F
2022 Yamaha YZ250FX
2022 Yamaha YZ250X
2022 Yamaha YZ450F
2022 Yamaha YZ450FX
2023 Beta 125 RR (RE)
2023 Beta 200 RR (RE)
2023 Beta 350 RR (RE)
2023 Beta 390 RR (RE)
2023 Beta 480 RR (RE)
2023 Kawasaki KX250F
2023 Kawasaki KX250X
2023 Suzuki RM-Z250
2023 Yamaha WR450F
2023 Yamaha YZ125
2023 Yamaha YZ125X
2023 Yamaha YZ250
2023 Yamaha YZ250F
2023 Yamaha YZ250FX
2023 Yamaha YZ250X
2023 Yamaha YZ450F
2023 Yamaha YZ450FX
2024 Kawasaki KX250F
2024 Kawasaki KX250X
2024 Suzuki RM-Z250
2024 Yamaha WR450F
2024 Yamaha YZ125
2024 Yamaha YZ125X
2024 Yamaha YZ250
2024 Yamaha YZ250F
2024 Yamaha YZ250FX
2024 Yamaha YZ250X
2024 Yamaha YZ450F
2024 Yamaha YZ450FX