Bicycle computer wireless digital radio with 11 ... Comus really good bike computer functions, display settings can keep up with the most expensive. Is suitable even for 2 bikes, problematic is the driving force, as only 1 piece constantly tear and buckle up over there. The question remains how long the button cell in the pulse generator stops when compared with the A23 batteries. The spoke magnet is in the traditional Asführung, suppper.