MOOSE OFFROAD HARD-PARTS FF SPRING SET 42.5MM 4.8 0405-1191Moose fork springs use the highest grade chrome silicone wire, Each spring is cold coiled then heat treated, Springs are pre set and ground to length before being polished for the ultimate performance, All springs have their rate laser etched on the end and are manufactured to DIN2095 grade 1 standards, All springs go through the following stages: cold coiled, heat treated, tempered, shot peened, ground ends, polished for reduced friction and smoother