REDS VX 540 Factory Selected motors are hand built with the top 5% tested motors of every batch. Each motor is hand assembled, shimmed and tested by our tech?s. Timing, KV and AMP are tested on the dyno for maximum performance. Meets all ROAR, EFRA, BRCA specs. Available models: 10.5T, 13.5T, 17.5T, 21.5T. The VX line features a precision CNC 6061 T6, machined aluminum case with large airflow openings for better cooling, balance sintered rotors with laser-etched diameter markings, an easy to adjust timing system and low resistance high grade copper solder tabs. The VX Sensored Motor incorporates the latest technology advancements in brushless motor design and manufacturing, giving you the torque and RPMs you want when you need it. On Road or Off, REDS VX Sensored motors handle your demands and deliver smooth power across all RPMs. The motors are available as 4.5T to 8.5T modified and 10.5T to 17.5T stock variant. The VX motors have been optimized to provide that extra edge needed in stock racing competition. We will guarantee the same standard of quality and performance provided in nitro category! These are the motor main features: * Lightweight and optimized air flow design * CNC Machined T 6061 Billet Aluminum Heats ink Can * High-strength balanced sintered rotor * High Purity Copper Windings Maximize Conductivity * Low Resistance, High Power, Silver-plated Solder Tabs * High RPM precision ball bearings * Adjustable Timing with aluminum end cup Technical Spec: * Cells: 2S LiPo, 6-cell NiMH * Diameter: 35.8mm * Length: 52.9mm * Shaft Diameter: 3.17mm * Weight: 175-185g PLEASE NOTE: IMAGES DEPICT THE 13.5T model.REDS RACING USA