Bicycle/Motorcycle/Bike Handlebar Mount/Seat Post Clamp, Roll Bar Quick Adapter with Three-way Adjustable Pivot Arm, for GoPro Hero 3+/3/2/1 Cameras, High Quality Accessories-BONUS: Thin Line Tether-PLUS Lifetime, No-Hassle Replacement Guarantee Fits around any bar from 0.75" to 1.4" (1.9cm - 3.5cm) in diameter Added Gripper Lining to Make Sure Your Handlebar Mount Stays Secure. Handles Prolonged Periods of Vibration. Bonus Gift: Thin Line Tether to Make Sure You NEVER Lose Your GoPro Camera. US Seller makes sure you get your Handlebar Mount Fast!