360° Rotation Adjustable Universal Bike Accessories Bike Phone Holder Controller and its sensor will drive

and its sensor will drive the rear motor to provide you with a huge momentum

High Pitch Decibel

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Cadence Sensor

2 stainless steel 180mm Rotors

360° Rotation Adjustable Universal Bike Accessories Bike Phone Holder Controller and its sensor will driveDouble Protection, Avoid Shaking & FallingAnti skid gear on the right side of the mobile phone holder solves the problem of screw loosening during driving, and the bite density of it and the adjusting nut can ensure that the locking degree of phone. Innovation of the base nut away from the center of gravity makes holder not loose even when driving on rough roads.360 Adjustment, No Blocking Phone ScreenLetu Phone Holder adopt open design, won't block