4 functions in one, including Pedelec, E-bike, safety protection and power saver. It is also characterized as competitive in price, proficient in function, one shop service and easily to install.

(1) Dual system : A 100% electrically motor-driven system and a power-assisted system are interchangeable. (2) 6 seconds activating buffer. (3) 3 minutes power shut-off for non-use. (4) Safety power

(1) Dual system : A 100% electrically motor-driven system and a power-assisted system are interchangeable. (2) 6 seconds activating buffer. (3) 3 minutes power shut-off for non-use. (4) Safety power

(1) Dual system : A 100% electrically motor-driven system and a power-assisted system are interchangeable. (2) 6 seconds activating buffer. (3) 3 minutes power shut-off for non-use. (4) Safety power

(1) Dual system : A 100% electrically motor-driven system and a power-assisted system are interchangeable. (2) 6 seconds activating buffer. (3) 3 minutes power shut-off for non-use. (4) Safety power

(1) Dual system : A 100% electrically motor-driven system and a power-assisted system are interchangeable. (2) 6 seconds activating buffer. (3) 3 minutes power shut-off for non-use. (4) Safety power

(1) Dual system : A 100% electrically motor-driven system and a power-assisted system are interchangeable. (2) 6 seconds activating buffer. (3) 3 minutes power shut-off for non-use. (4) Safety power

(1) A 100% electrically motor-driven system. (2) 6 seconds activating buffer. (3) 3 minutes power shut-off for non-use. (4) Safety power shut-off device. (5) Portable battery pack. (6) Electric contr

(1) A 100% electrically motor-driven system. (2) 6 seconds activating buffer. (3) 3 minutes power shut-off for non-use. (4) Safety power shut-off device. (5) Portable battery pack. (6) Electric contr