Fit ZTTO Bicycle Racing Saddle Mount Rail Seat Clamp GoPro Hero 7/6/5/4 HERO CNC
Bicycle Racing Saddle Mount Rail Seat Clamp For GoPro Hero 7/6/5/4 HERO ZTTO. 1 Bicycle Saddle Rail Mount. Single saddle rail mount weighs only 30g, very lightweight but super strong. Size: 60 30mm.