Material: carbon nylon

Size: 9 x 4.7''

Color: black

Hole size: 6mm front/8mm back with 3mm, 4mm, 5mm & 6mm adapters included.

Diameter of Shaft: 6.0mm

Thickness of center: 9.7mm

Weight: 17.79g/pair

Recommended wheelbase: 550mm - 700mm

Recommended motor: 800KV - 1100KV Priduct picture: