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The H&R 60mm I.D. race spring is a single race spring built for tuning — 180mm length with a 40 N/mm (229 lbs/in) rate. Produced in Germany from (hf) 54SiCr6 spring steel, the high-tensile material enables thinner wire for lighter weight and about 10% more travel than many competitors. All springs are pre-blocked at the factory to avoid sagging; H&R’s broad 60mm line includes many lengths and tender-spring choices for fine setup.
H&R 60mm ID Single Race Spring Length 180mm Spring Rate 40 N/mm or 229 lbs/inch
