Features: l Reasonable design makes it easy and convenient to install and remove, and it is a wonderful replacement for broken or old one l High sensitivity and high stability and high precision, greatly improved performance l High quality for professional use, nice spare parts to upgrade and modify your drone l High accuracy and stable performance, have a long service time Specification: l Types (Optional): Front Swivel (no right or left), Left Rear Axle, Right Rear Spindle l Applicable Model: for DJI MINI4 Pro Package: l 1x Front Swivel Or l 1x Left Rear Axle Or l 1x Right Rear Spindle