{"product_id":"rc4zu0012","title":"RC4WD 1\/10 Scale 4:1 Ultra Compact Gear Reduction Unit for 540 Motors Z-U0012","description":"\u003ch3\u003eUNMATCHED PERFORMANCE WITH 4:1 GEAR RATIO\u003c\/h3\u003e \u003cp\u003eThe RC4WD Ultra Compact 4:1 Gear Reduction Unit (Model: RC4Z-U0012) is engineered for efficiency, allowing for decrease in speed while increasing torque. This is an essential component designed to fit any standard 540 motor in RC trucks, cars, robots, airplanes, and boats, provided there's enough space for an extra length of 0.7 inches (18mm).\u003c\/p\u003e \u003ch3\u003ePREMIUM CONSTRUCTION\u003c\/h3\u003e \u003cp\u003eCrafted from CNC machined high precision aluminum housing and incorporating stainless hardened steel micro internal gears, this gear reduction unit is built to last. Custom-made pinion gears ensure compatibility and reliability, while the universal design accommodates any 540 motor.\u003c\/p\u003e \u003ch3\u003eSPECIFICATIONS FOR OPTIMAL USAGE\u003c\/h3\u003e \u003cp\u003eThis gear reduction unit features a gear reduction ratio of 4:1 with an overall diameter of 36mm and a length of 18mm (0.7 inches). The output shaft has an outer diameter of 0.12 inches (3.2mm) that includes a flat surface for mounting standard RC pinion gears, making it a practical solution for any RC setup.\u003c\/p\u003e \u003ch3\u003eWHAT'S INCLUDED\u003c\/h3\u003e \u003cp\u003eInside the package, you will find the RC4WD Ultra Compact Gear Reduction Unit and a steel pinion gear. Please note that due to the added length of the unit, longer motor mounting screws will be required, such as two M3 46mm long screws for installation on a Tamiya clod axle.\u003c\/p\u003e \u003ch3\u003eABOUT SPEED REDUCTION TECHNOLOGY\u003c\/h3\u003e \u003cp\u003eGear reduction units, also known as speed reducers, work by lowering motor speed while enhancing torque output. These units are crucial across numerous industries and applications, optimizing performance and efficiency for various machinery including automation equipment, compressors, and robotics.\u003c\/p\u003e \u003ch3\u003eIMPORTANT USAGE NOTES\u003c\/h3\u003e \u003cp\u003eThis gear reduction unit is specifically designed for use with conventional brushed 540 motors; it is not intended for high power brushless motors, as this may affect longevity. Additionally, some modifications might be necessary, such as enlarging the GRU opening or shortening the motor shaft for proper fit.\u003c\/p\u003e \u003chr\u003e \u003cp\u003e\u003cem\u003eThis gear reduction unit enhances the versatility of your RC applications while embodying the precision and craftsmanship that RC4WD is known for.\u003c\/em\u003e\u003c\/p\u003e","brand":"RC4WD","offers":[{"title":"Default Title","offer_id":49432272961822,"sku":"RC4ZU0012","price":41.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1645\/8782\/files\/RC4ZU0012-1.jpg?v=1734334431","url":"https:\/\/saltcitygames.shop\/products\/rc4zu0012","provider":"Salt City Games","version":"1.0","type":"link"}