RC4WD ZU0012 4/1 Ultra Compact Gear Reduction Unit (540 Motor)

The RC4WD 4/1 Ultra Compact Gear Reduction Unit for 540 Motors is designed to fit any RC truck, car, robot, airplane or boat that uses standard 540 motor. It will work as long as there is enough room for the extra length (.7 inch / 18mm).

• CNC machined high precision aluminum housing
• Stainless hardened steel micro size internal gears
• Custom made pinion gears
• Universal, fit any 540 Motor
• Engineered & Manufactured by RC4WD

Gear reduction ratio: 4:1

Overall diameter: 36mm

Length: 18mm (.7 inch)

Output Shaft OD: 0.12" / 3.2mm (with a flat surface for mounting standard RC pinion gears)

Total metal gears: 6

Total Parts: 11

• (1) RC4WD Ultra Compact GRU
• (1) Steel Pinion Gear