The Speaqua Bike/Rail Mount is designed to seamlessly bring your music on the go. The mount secures your speaker to any handlebar or round railing up to 1-1/4"-diameter. This mount is ideal for bikes, ATVs, paddles, boats, and kid’s strollers. A swivel-ball design with fastening ring gives this Speaqua mount 360° rotation and tilt for adaptable angles and preferred sound projections.