284mm Medium Duty Spring Loaded Gate Wheels - Supplied individually packed in a polythene bag complete with all fittings and 100mm (4") dia. Wheel.

This is a good value gate wheel that does the job for lighter to medium wieght  gates,
included with it are two 80mm bolts for fixing to your gate.
check out our other heavier (and more expensive) gate wheels for longer and heavier gates.

The spring loaded bit acts as a suspension which will help if the gate opens across slightly uneven ground, it will allso allow for a bit of  rise or fall.