The EazLift ReCurve Spring Bars distribute trailer weight as you tow your RV and are compatible with the ReCurve R3 and R6. The pair of 2 spring bars have a rating of 600 lb. and are constructed of durable powdercoated steel. Features. Recurve Spring Bar. Constructed of powdercoated steel. Includes 2 spring bar assemblies. Distributes trailer weight to the tow vehicle. Pack of 2Specifications. Capacity 600 lbs. Weight 25 lbs