Feature: 1. APPLICABLE MODEL 540 electric brushed motor excellent torsion and long life, direct welding wire guides provide flexible welding options. For ZD Racing 7561 1/10 RC Crawler. 2. [HIGH PURITY COPPER WINDING] 540 brushed motor with high purity copper winding, sealed bearings for durability, low friction, low noise, and long service life. 3. [HIGH PERFORMANCE] Brushed motor rotors are precisely balanced, with high finish, good stability, excellent performance, and easy disassembly and replacement. 4. [HIGH TORSION AND 2 WAY BEARING] RC crawler 540 brushed motor has high torsion, 2 way bearing, strong magnetic force, low heat generation and high power. 5. [PREMIUM MATERIAL] Brushed motor for RC crawler is made of iron+plastic+copper, which is easy to install and durable in use. Direct solder wire guides provide flexible soldering options. Specification: Item Type: 540 Brushed Motor Material: Iron+Plastic+Copper Use Voltage: 7.2-7.4V Maximum Voltage: 12V Product Length: Approx. 50mm / 2in (excluding shaft) Product Diameter: Approx. 36mm / 1.4in Output Shaft Length: Approx. 7mm / 0.3in Output Shaft Diameter: Approx. 3.175mm / 0.13in Applicable Model: For ZD Racing 7561 1/10 RC Crawler. Package List: 1 x 540 Brushed Motor Note: 1. Due to manual measurement, please allow 1‑3mm / 0.04‑0.12in error, thank you!2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.