Fineline Fabrications

5 Leaf 45mm x 8mm Offset Eye to Eye Spring - 710mm - Rated 650kg

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5 Leaf 45mm x 8mm Offset Shackle Spring - 710mm - Rated 650kg

45mm Offset Shackle Spring
45mm offset shackle spring is 50mm off-center to enable the axles to be closer on tandem trailers for 14-inch wheels.

This gap can be closed by 50mm to 100mm by turning the spring 180 degrees. Ideal for reducing the difference between the tyres on tandem trailer setups.

  • 28 inch (710)
  • 45mm x 8mm
  • 9/16 inch shackle bolt diameter.
  • 300mm eye to Center Bolt
  • 410mm other eye to center bolt
  • 105mm Free Camber


The front hanger connects the front of the spring. The dumb jack connects to the shackle plates hangers which in turn connect to the spring.

Use shackle plates in conjunction with shackle bolts to connected the spring to the dumb jack.

How do I calculate hanger spacing?
Install hangers 25mm longer than your spring for 710mm springs.

For example, 710mm springs will have a 735mm hanger spacing.

Eye to Eye Shackle Springs are rated as follows

  • Five leaf 650kg
  • Six leaf 750kg
  • Eight leaf 850kg