The Ballistic Sintered Rotor replaces the Velociti Sintered Rotor (#5908) for Novak’s Velociti-series and SS Pro-series of brushless motors. Features: •High-strength sintered, Neodymium magnet for maximum motor acceleration, braking power and performance in high temperature conditions •Nickel-plated for stronger surface and resistance to corrosion •Meets ROAR & IFMAR specifications •Novak designed Specifications: •Diameter: 12.3 mm •Output Shaft: 1/8 inch (accepts all existing pinion gears) •Weight: 27.5 g (0.97 oz) •Maximum Operating Temperature: 200ºC (392ºF)*