These Associated factory replacement front springs are designed for the RC28R with fixed arm suspension. The set includes six metal coil springs across what appear to be multiple rate options, allowing tuning of the front end feel. Color-coded springs help distinguish rates at a glance when swapping between setups. Features: Designed for RC28R fixed arm front suspension Multiple spring rates included for tuning Color-coded for easy rate identification Metal coil construction 7/7/26 cs