1:10 RC Car Wheel Rim with Y Type Spokes Wheel Purple Aluminum Alloy RC Parts Pack of 4 Suitable for RC 1: 10 Flat Racing car and On Road car Wheel Outer Diameter: 52 mm / 2.05" Wheel Inner Diameter: 46mm / 1.81" Wheel Drive Hex: 12 mm / 0.47" Wheel spoke: Y type Spokes