Premium Zip-grip Universal Bicycle, Treadmill, Exercise Bike Mount Holder for Apple iPad Mini, iPad 2, iPad 3, iPad Air, iPad PRO/Samsung Tab A E S4 S3 S2 and all 7-12 Tablets (with or without case) Quick release strap allows fast / easy attachment and removal of the mount Adjustable swivel ball head mounting connection for maximum flexibility For bikes, treadmills, ATVs, anything with cylindrical bars posts or frames (15mm to 50mm) Digital`s Zip-Grip is designed to hold your Apple iPad Mini, Air, iPad Pro with or without a carrying case Adjustable legs keep buttons and ports fully accessable