This is a set of 4" arms for the Lumenier QAV-ULX. This arm is shorter than the stock 5" arm and allows for up to a 4" propeller. It is made from 4mm thick carbon fiber.
- 1x 4mm 4" Carbon Fiber Arm: 4.2g
- 4x 4" Carbon Fiber arm for the QAV-ULX Ultra Light Racing Quadcopter