RISK Bicycle Seat Cushion Horizontal Angle Measuring Tool

KKN ABS. Usage steps: 1 Install along the direction of the arrow do not plug and unplug frequently after installation). Level bubble, can fine-tune the left and right level of the seat. 2 Due to the irregular shape of the phone case, it is recommended to remove the phone case before use. 3 Use the horizontal angle measurement program of the phone. Note: Before purchasing, please confirm that the phone comes with a horizontal angle measurement program, or download the corresponding program from the mobile phone APP store. Product name: Bicycle seat horizontal angle measurement tool. Brand: RISK. Item number: RL262. Product content: Seat horizontal angle measurement tool mini level. Net weight: about 83.5g. Gross weight: about 91.5g. Packaging size: about 24018020mm. Usage steps: 1 Install along the direction of the arrow do not plug and unplug frequently after installation). Level bubble, can fine-tune the left and right level of the seat. 2 Due to the irregular shape of the phone cas