MFORK progressive fork spring kit. K 0.75-0.85

Set includes 2 fork springs for an upgrade installation. Springs are progressive wound and include fork oil. Manufactured from heat treated and shot blasted Cr-Si (chrome silicone) alloy steel. The K value represents the spring rate (stiffness) of the springs. A higher K number are stiffer springs, lower K number are softer springs. Kit includes 2 fork springs, a liter of fork oil and instructions.