hello , for sale are
1. simple bgc gimbal brought from quadkopters - no controller , imu not included. NEW IN BOX selling for 3000 .
2. walkera g2d gimbal from rcmumbai - again no controller , imu included-  4000

these are compatible with any brushless gimbal controller in the market ..
http://www.aliexpress.com/item/BGC-3-12-MOS-Large-Current-Two-axis-Brushless-Gimbal-Controller-Driver-alexmos-russian-firmware/2024130499.html