
Moose Offroad Hard Fork Springs - Parts, manufacturer reference 0405-1149. Designed for enduro and motocross, these chrome-silicon wire springs are cold wound and then subjected to a complete heat treatment (tempering, shot peening) to ensure consistent spring rates. Each spring is pre-set and ground to length before polishing; the ends are ground for a clean fit in the fork clamps, and the part number as well as the spring rate are laser engraved in accordance with DIN2095 grade 1.
Ideal for riders seeking precise spring rates and a robust replacement part for motocross and enduro bikes. Common compatibilities: YAMAHA YZ 450 F (2026), BETA RX 450 4T (2026), and SUZUKI RM-Z 250 (2026). Installation by a tuner or recommended workshop is advised to adjust travel and absorption characteristics according to riding style.