Ideal for 3D models 46 oz (115170 g) and sport and scale models 612 oz (170340 g) Up to 55 watts Designed for firewall mount or carbon tube mount Integrated Prop Saver design Extremely quiet and lightweightjust .5 ounces (14 grams) Upgraded performance motor for indoor IPS and 180 motors High-torque, direct-drive alternative to inrunners Includes mount, mounting hardware and 2mm gold BL connectors High-quality construction with ball bearings and hardened steel shaft Great lightweight outrunner f