INJORA Brass Wheel Hex Hub Adapter for 1.9 2.2 Beadlock Wheel Rim RC Crawler Car Axial SCX10 Capra TRX4 TRX6 VS4-10 Gen8
Only compatible with the 1.9"/2.2" INJORA CNC aluminum wheels that with removable hex adapter on the back
Features:

Made of high quality brass
CNC machined and precision cut
Increase the weight of wheel rims
Uses six M3 screws to attach hub to wheels
Increase the track width, 6 10 12 15 18 22mm are available

Specifications:

Material: Brass
Quantity: 2pcs 4pcs optional
Screw Thread: 3mm
Wheel Hex: 12mm
Diameter of Center Hole: 7.2mm
Height: 6 10 12 15 18 22mm
Each Weight: 15 23 27 34 40 49g/pcs
Outer diameter: 22.5mm