Minoura Smart Phone Standard Handlebar Holder: Fits 22.2 25.4 and 28.6mmMinoura Smart Phone Standard Handlebar Holder: Fits 22. 2 25. 4 and 28. 6mm. Minoura Smart Phone handlebar mounted holder. Adaptable with iPhone 6 plus Universal and adjustable fit with a recommended phone dimension of 55 85mm wide and 6 18mm thickness Pushing the ratchet wings grips the phone tightly and to release the phone just pull the small red lever underneath the body Front and rear holders secure the phone and keeps steady even while going