4.00 4 tire for sale, brand-new and used.

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Features Diameter: 30mm Width: 9mm

Brief Instruction: DC motor reducer, double axis, with DC 6V operating voltage and a RPM of 100R / minute, this gear box is applied for tracing car or robot. Motor Paramete: Working Voltage: DC 6V RPM: 100R / minute Size: 6.5cm x 2.3 cm x 1.8 cm Shaft type: Flat -axis ( there is a 1.9mm hold in the Shaft center, suitable for 2mm car axis) Package Included: DC Gear Motor X 1 If you need some

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Features Diameter: 38mm Width: 13mm

Features Diameter: 78mm;Width: 32mmAperture: 2

Features Length:5cm Height: 2.4 cm (approx.) Width: 3.1cm Wheel diameter: about 2 cm Package:

Features Diameter: 40mm Width: 15mm

Features Diameter: 48mm Width: 19mm

Features Diameter: 45mm