ITEM NAME:Bicycle Tube Clamp Tube Holder Accessories for Gopro Hero Camera 1/4-thread Z4P4 Bicycle Tube Clamp Tube Holder Accessories for Gopro Hero Camera 1/4-thread Z4P4 Brand new and high quality! A bicycle tube clamp of high quality is available. Standard 1/4 thread. Suitable for Gopro sport camera. Material: Plastic + Metal Color: Black Thread: standard 1/ 4 thread Bayonet lock dimension: 1.7 to 3.2 cm Function / feature: For mounting the GoPro Hero camera series or the other cameras with 1/4 universal thread on the bike, to record a video. delivey: 1 x bicycle tube clamp Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm..A bicycle tube clamp of high quality is available. delivey: 1 x bicycle tube clamp. Thread: standard 1/ 4 thread. Standard 1/4 thread.