New in box Bugaboo Runner Adapter for the Bugaboo Bee3. This adapter makes your Bugaboo stroller compatible with the bugaboo runner. Converts your Bugaboo Bee3 Seat to fit on the chassis of the Bugaboo Runner with a simple click in. Regular price $34.99 plus taxes. On sale for $24.49 plus taxes. Pick-up only near Hillside Mall. Cross-posted.