Arkon Bike or Motorcycle Phone Holder Strap Mount for iPhone X 8 7 6S Plus 8 7 6S 6 Galaxy Note Retail Black Mega Grip phone holders elastic secure strap included for added protection while riding Apple iPhone X 8 7 6S Plus 8 7 6S compatible, even with protective cases Mount fits on handlebars measuring 15mm to 50mm in diameter 2 year limited warranty