Plastic Track + Driving Wheel + Bearing Wheel Set Accessory For Robot Car Chassis

There are two kinds you can choose:

A: 1 Pcs Plastic Track + 1 Silver Driving Wheel + 2Pcs Silver Bearing Wheels
B: 1 Pcs Plastic Track + 1 Gold Driving Wheel + 2Pcs Gold Bearing Wheels
C: 1 Pcs Plastic Track + 1 Silver Driving Wheel + 3Pcs Silver Bearing Wheels
D: 1 Pcs Plastic Track + 1 Gold Driving Wheel + 3Pcs Gold Bearing Wheels
E: 1 Pcs Plastic Track + 1 Silver Driving Wheel + 4Pcs Silver Bearing Wheels
F: 1 Pcs Plastic Track + 1 Gold Driving Wheel + 4Pcs Gold Bearing Wheels
G: 1 Pcs Plastic Track + 1 Silver Driving Wheel + 5Pcs Silver Bearing Wheels
H: 1 Pcs Plastic Track + 1 Gold Driving Wheel + 5Pcs Gold Bearing Wheels

Bearing Wheel parameters:

Title: Metal bearing wheels
Color: silver or gold
Material: Aluminum
Type: with connectors
Size: 31.85 * 48.3 (diameter) * 34.08 (connector) mm

Driving Wheel Parameter:

Name: Metal wheels
Color: silver or gold
Material: Aluminum
Type: with connectors

Track parameters:

Name: Track
Material: Plastic
Color: Black
Size: 4.5cm * * 78cm / stripe (about 100joint)

Package included:

1 x Track
1 x Driving Wheel
Several Bearing wheels
Several Screws & Tools