3 Leaf 45mm x 8mm Galvanised Shackle Spring - 710mm - Rated 425kg
710mm Shackle Eye to Eye Galvanised Springs are rated 550kg – 850kg
710mm Shackle Galvanised Spring. The spring bolt is located in the centre for this spring, making them ideal for a boat trailer.
28 inch (710mm)
- 45mm x 8mm
- 9/16 inch shackle bolt diameter.
- 355mm eye to Center Bolt.
- 105mm Free Camber
Eye to Eye Shackle Springs are rated (each) as follows:
- Three leaf 425kg
- Four-leaf 550kg
- Five leaf 650kg
- Six leaf 750kg
- Eight leaf 850kg
The problem arises its head when the trailer carry’s too much weight and spring breaks before the owner gets the chance to upgrade his springs.
Located spring hangers at a distance 25mm longer than the spring.