... Bike - TDN20ZElectric Assist System SensorLiShui, ES-02, 1: 1intelligent Speed Sensor DisplayJiaTe, ED-02, LED Three modes Motor8-FUN, Rear ... ion battery charger, CE approval PerformanceMax Speed: 25 km/h Range: >40 km Climbing Degree: ≤ 8 degrees Run Mode: Pedalling Assist ... Nil Rear Derailleur Shimano, RD-TX35, Index, for 6-speed FreewheelShimano, MF-TZ20, 6 Speeds CranksetWheelTop, 1/2*3/ ...