Bobike mounting bracket With this mounting bracket, a Bobike child seat can be easily mounted on a bicycle with an A-Head headset. An adjustable stem remains usable and a display or controller of an electric bicycle can also remain in place. The required mounting space is only 4 millimeters. Specifications: Color: black Material: steel Dimensions: 9 x 9 x 3 cm (L x W x H) Type: headset tool Suitable for a 28.6 mm stem