Popular Eye to Eye shackle springs are 45mm in width and 711mm in length.
Various thickness in leaf provide a multitude of load capacities.
These 4 leaf springs are used mainly on 40mm Square Axles or for an upgrade to three leaf springs that have sagged. 100kg small trailers.
Hangers should be welded into position 25mm longer than the eye to eye length or in this case 736mm for the perfect fit.
The centre bolt plays an important function for tandem trailers as it sets the width between wheels.
Tandem trailers are likely to have offset springs with the offset being approximately 50mm.
So when ordering springs be sure to measure the no of leafs, width of the spring, length of the spring and centre bolt offset.
