The metal bearing wheel is made by aluminum alloy. It has two colors: silver and golden yellow. By using it, can conveniently install your loved tank chassis.

• Silver 4mm: means the color for the wheel is silver, and the inner size for the coupling of the wheel is 4mm to connect the motor.
• Silver 5mm: means the color for the wheel is silver, and the inner size for the coupling of the wheel is 5mm to connect the motor.
• Silver 6mm: means the color for the wheel is silver, and the inner size for the coupling of the wheel is 6mm to connect the motor.

• Yellow 4mm: means the color for the wheel is yellow, and the inner size for the coupling of the wheel is 4mm to connect the motor.
• Yellow 5mm: means the color for the wheel is yellow, and the inner size for the coupling of the wheel is 5mm to connect the motor.
• Yellow 6mm: means the color for the wheel is yellow, and the inner size for the coupling of the wheel is 6mm to connect the motor.

• Name: metal driving wheel

• Color: silver and golden yellow

• Material: aluminum alloy

• Color: silver/yellow

• Inner size for the coupling of the wheel: 4mm/5mm/6mm

• Type: driving

• Size: 31.85 (distance for coupling)*48.03 (diameter)*34.08 (for bearing connector) mm
• More details, please visit: https://github.com/SmartArduino/SZDOITWiKi/wiki to download the source code and the documents.

• Wheel Piece: 4pcs

• M3*6 srew: 12pcs

• M4*16 screw: 2pcs

• Jackscrew: 2pcs

• copper cylinder: 6pcs

• Aluminum alloy coupling: 2pcs (distance is 34.08)

1. Due to computer monitor and the actual shooting brightness and other reasons, there will be a certain color difference.
The final color please refer to our actual goods. Please know this before you buy it. Thank you !
2. The picture we show is 100% Real Object Photography.
3. The size may have 2-3cm differs due to the maunal measurement.
4. For  the shipping convenience, the product is unassembled.

1. Preparing Time: we need 2-5 working days to prepare your order according to our numerous orders every day.
2. Free Shipping for worldwide if you choose China Post.

Note:
The information of new tracking number for China Post Ordinary Small Packet Plus can not be tracked when it was shipped out of China. Whether it is arrived or not，it will no more tracking information.
Please choose China Post Air Mair if you want a full tracking information.
Tracking information of China Post Ordinary Small Packet Plus can be checked here: www.17track.net.

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