roll bar speaker holder will fit all Mountain Bike, Scooter and UTVs, compatible with Polaris RZR, compatible with Can Am Commander Maverick, compatible with Talon Pioneer, compatible with Yamaha YXZ, compatible with Kawasaki Mule Viking The speaker mounting strap is adjustable to fit most portable Bluetooth speakers with diameter from 3.5″ to 4.3″ and length from 8″ to 10″, compatible with JBL Pulse 3, Charge3, Compatible with OontZ Angle 3 Pro, Compatible with Anker, Compatible with Doss SoundBox Pro+, Compatible with AOMAIS, Compatible with Bose. Easy installation, no tools needed, wrap the roll bar with the sticky strap and stick on. The surface of the sticky strap has an anti-slip design to keep the speaker mount in place, won??t slip on a rough road. Easy installation, no tools needed, wrap the roll bar with the sticky strap and stick on. The bottom strap is for better security, preventing the Bluetooth speaker slip out of the holder. Fitment Roll Bar Strap Mount can work as a mou