The most popular size for the mini moto quad and mini pocket ATV bikes
Strong 4 ply rubber, block pattern tread for off road grip. This tyre requires an inner tube

This size tyre is also known as a 9 x 3.5 - 4 or 300-4

Classed as one the best 4 inch offroad tyre, it can be fitted to any of the Mini Moto quads
Road Legal?: No / Inner Diameter: 102 mm / 4.02 inches / Tyre Size: 3.00 - 4 / Tyre Outer Diameter: 241 mm / 9.49 inches / Tyre Ply: 4 / Tread Pattern / Type: Off Road Knobbly / Profile: 64.43 mm / 2.54 inches / Width: 82.4 mm / 3.24 inches / Tread Depth: 3 mm / 0.12 inches / Tread Width: 82.3 mm / 3.24 inches / Operating Pressure: 40 P.S.I