YUYIKES CNC Aluminum Mount three-way Pivot/swivel Arm Set for GoPro HD Hero 3+ / 3 / 2 ,color: Green It can work with roll bar mount large diameter bracket, handlebar seatpost mount small diameter bracket, chest mount harness, head strap, vented helmet strap etc. Made of durable high-quality CNC aluminum. Simple structure and lightweight Compatible with Gopro Hero 3+/3/2/1 Color: Green Three-way pivot adjustability makes aiming easy. Convert horizontal to vertical or change angles