KitSale WaterProof Mountain Bike Motorcycle Bike Handlebar Mount Case Bag with 4.5cm D Links Climbing Outdoor Carabiner for iPhone 4/4S /3GS 3G or Garmin GPS 1 20mm-25mm handlebars ,resilient materials 2 1 fully rotatable and height adjustable to give you the perfect viewing angle 3 keep your GPS and cellphone clean 4 Compatible with 5 inch or smaller mobiles GPS and electronic devices. 5 Dimensions: 5.2*2.8*1 inches (13.5cm*7*2.5)