Telescopic Ground Anchor Trailer / Bike LockTelescopic Ground Anchor Trailer Bike Lock Telescopic Ground Anchor Trailer Bike Lock by Ramco provides a robust, ground mounted security solution for caravans, motorbikes, quad bikes and trailers. The heavy duty telescopic anchor sits flush below ground when not in use and lifts to a stable upright position for securing with a heavy duty chain (not supplied). Built from 70 x 70 x 3mm box section with a 50mm internal chain hole that accommodates up to