Description
Precision fork tuning demands springs that deliver consistent performance lap after lap—Race Tech’s 0.42 kg/mm springs are engineered to eliminate guesswork with rate accuracy within 2%, giving you predictable suspension response on road courses and track days. Shot-peened chrome silicon steel construction withstands extreme compression cycles while maintaining a high stiffness-to-mass ratio, keeping unsprung weight minimal without sacrificing durability. Whether you’re dialing in a sportbike or fine-tuning a vintage racer, these preset springs integrate seamlessly into most inverted and conventional fork designs.
- Spring rate: 0.42 kg/mm
- Material: Chrome silicon steel
- Rate accuracy: ±2%
- Surface finish: Shot-peened
- Heat treatment: Full
- Preset compression: Factory set
- Stiffness-to-mass: Optimized ratio
- MPN: FRSP435142
- Fitment: Most fork types
- Installation: Bolt-on
