???This Simple Version Bike Handlebar Seatpost Pole Mount for GOPRO Hero 3/2/1 (Max for 4cm Diameter) will give your photographic device maximum stability to avoid shaking and slipping during shooting， and to achieve better shooting effect. With sturdy design and fine craftsmanship， it can firmly hold your device and other accessories. With superior material for long-term use and reasonable price， this super bike handlebar seatpost pole mount for GOPRO is suitable for each wise consumer.                                    Features            Suitable for GOPRO Hero 3/2/1Easy to install and useSuperior material for long-term useA best gift for cameraman and outdoor activity enthusiast                                                             Specifications            Weight    2.47 oz /70 g    <br>Dimensions    (3.15 x2.76 x 0.87)" / (8 x8 x 2.2) cm (L x W x H)    <br>                                                            Package Includes            1xBicycle Bracket