Check the listing for details. Moose Fork Springs - 43.5 mm - 5.4 n/mm | 0405-1149. Condition: New. Listed at 109.95 USD. Moose Fork Springs — Precision Engineered for Superior Suspension Performance Upgrade your Off-raod suspension with Moose Fork Springs, crafted for riders who demand smooth, consistent, and high-performance fork action. Made from highest-grade chrome silicon wire, each spring is meticulously cold-coiled, heat-treated, tempered, shot-peened, and polished to deliver superior strength, reduced friction, and precise suspension response. Pre-set and ground to exact length, these fork springs ensure optimal performance straight out of the box. Each spring's rate is laser-etched on the end and manufactured to DIN2095 grade 1 standards, guaranteeing reliable, repeatable results for aggressive trail riding, motocross, or high-speed off-road use.