Bicycle component controller, bicycle component control system and bicycle component control method

1. A bicycle component controller comprising:

a data storage device containing sprocket assembly information of at least one sprocket assembly; and

a processor configured to perform a gear shift control based on the sprocket assembly information, wherein

the sprocket assembly information of the at least one sprocket assembly at least includes a total sprocket number and shifting gate information, and wherein

a single shifting distance of the sprocket assembly information corresponds to an axial spacing between adjacent sprockets of the at least one sprocket assembly.

2. The bicycle component controller according to claim 1 , wherein

in response to receiving a double downshift command, if the shifting gate information indicates that each of the sprockets of the at least one sprocket assembly includes a single downshifting gate except for a smallest sprocket of the at least one sprocket assembly, the processor is configured to perform the gear shift control including:

performing a first downshifting operation corresponding to the single shifting distance,

waiting a first predetermined period after completing the first downshifting operation, and

performing a second downshifting operation corresponding to the single shifting distance.

3. The bicycle component controller according to claim 2 , wherein

the first predetermined period is set based on at least one of a time, a rear sprocket rotational angle, and a bicycle running distance.

4. The bicycle component controller according to claim 3 , wherein

the rear sprocket rotational angle is calculated from a crank cadence and a transmission gear ratio.

5. The bicycle component controller according to claim 1 , wherein

in response to receiving a double upshift command, if the shifting gate information indicates that a larger sprocket of the adjacent sprockets of the at least one sprocket assembly is free of an upshifting gate, the processor is configured to perform the gear shift control including performing an upshifting operation corresponding to a double shifting distance.

6. The bicycle component controller according to claim 1 , wherein

in response to receiving a double upshift command, if the shifting gate information indicates that each of the sprockets of the at least one sprocket assembly includes a single upshifting gate except for a smallest sprocket of the at least one sprocket assembly, the processor is configured to perform the gear shift control including:

performing a first upshifting operation corresponding to the single shifting distance,

waiting a second predetermined period after completing the first upshifting operation, and

performing a second upshifting operation corresponding to the single shifting distance.

7. The bicycle component controller according to claim 6 , wherein

the first predetermined period is larger than the second predetermined period.

8. The bicycle component controller according to claim 1 , wherein

in response to receiving a double downshift command, if the shifting gate information indicates that each of the sprockets of the at least one sprocket assembly includes at least two downshifting gates except for a smallest sprocket of the at least one sprocket assembly, the processor is configured to perform the gear shift control including:

performing a first downshifting operation corresponding to the single shifting distance,

waiting a first predetermined period after completing the first downshifting operation, and

performing a second downshifting operation corresponding to the single shifting distance.

9. The bicycle component controller according to claim 8 , wherein

in response to receiving a double upshift command, if the shifting gate information indicates that each of the sprockets of the at least one sprocket assembly includes a single upshifting gate except for a smallest sprocket of the at least one sprocket assembly, the processor is configured to perform the gear shift control including:

performing a first upshifting operation corresponding to the single shifting distance,

waiting a second predetermined period after completing the first upshifting operation, and

performing a second upshifting operation corresponding to the single shifting distance.

10. The bicycle component controller according to claim 9 , wherein

the first predetermined period is larger than the second predetermined period.

11. The bicycle component controller according to claim 8 , wherein

in response to receiving a double upshift command, if the shifting gate information indicates that each of the sprockets of the at least one sprocket assembly includes at least two upshifting gates except for a smallest sprocket of the at least one sprocket assembly, the processor is configured to perform the gear shift control including:

performing a first upshifting operation corresponding to the single shifting distance,

waiting a second predetermined period after completing the first upshifting operation, and

performing a second upshifting operation corresponding to the single shifting distance.

12. The bicycle component controller according to claim 11 , wherein

the first predetermined period is equal to the second predetermined period where a total number of the upshifting gates is equal to a total number the downshifting gates.

13. The bicycle component controller according to claim 1 , wherein

the processor is configured to automatically perform the gear shift control based on at least one of a cadence, a bicycle running speed, a bicycle tilt, and a gear ratio.

14. The bicycle component controller according to claim 1 , wherein

the processor is configured to perform the gear shift control response to a manual input which is input to a shifter.

15. A bicycle component control system comprising the bicycle component controller according to claim 1 , and further comprising

a bicycle derailleur.

16. The bicycle component control system according to claim 15 , wherein

the bicycle derailleur includes at least one of a rear derailleur and a front derailleur.

17. The bicycle component control system according to claim 16 , wherein

the bicycle derailleur is a rear derailleur.

18. The bicycle component control system according to claim 15 , wherein

the bicycle derailleur includes a base member configured to be mounted to a bicycle frame, a movable member movable relative to the base member, a linkage mechanism configured to connect the base member to the movable member, and a pulley assembly rotatably connected to the movable member about a pulley assembly pivot axis.

19. The bicycle component control system according to claim 18 , wherein

the bicycle derailleur further includes an actuator operably connected to the linkage mechanism.

20. The bicycle component control system according to claim 19 , wherein

the actuator is disposed to one of the base member, the movable member, and the linkage mechanism.

21. The bicycle component control system according to claim 19 , wherein

the actuator is configured to be disposed to a bicycle frame, and the actuator operates a cable that is connected to the bicycle derailleur for operating the bicycle derailleur.

22. The bicycle component control system according to claim 18 , wherein

the bicycle derailleur further includes an angular sensor is disposed between the movable member and the pulley assembly for detecting a rotation angle of the pulley assembly with respect to the movable member.

23. The bicycle component control system according to claim 18 , wherein

the bicycle derailleur further includes a battery disposed to one of the base member, the movable member, and the linkage mechanism.

24. The bicycle component control system according to claim 15 , further comprising

a battery configured to be disposed to a bicycle frame, and electrically connected to the bicycle derailleur.

25. The bicycle component control system according to claim 23 , wherein

the bicycle component controller is disposed to at least one of the battery and the derailleur.

26. The bicycle component control system according to claim 15 , and further comprising

a non-shifting input device configured to select one of the sprocket assembly information of the at least one sprocket assembly for use in determining the gear shift control.

27. The bicycle component control system according to claim 26 , wherein

the non-shifting input device includes at least one of a cycle computer, a smartphone, a personal computer, and a switch provided to a bicycle.

28. The bicycle component control system according to claim 26 , wherein

the bicycle component controller is configured to wirelessly communicate with the non-shifting input device.

29. The bicycle component control system according to claim 26 , wherein

the bicycle component controller is configured to communicate with the non-shifting input device via a wire.

30. A bicycle component control method comprising:

providing a bicycle with the bicycle component control system according to claim 26 ;

selecting the at least one sprocket assembly by using the non-shifting input device; and

transmitting the sprocket assembly information of the at least one sprocket assembly selected with the non-shifting input device to the bicycle component controller for setting the bicycle component.

31. The bicycle component control method according to claim 30 , wherein

the selecting of the at least one sprocket assembly is performed by selecting a model of the at least one sprocket assembly using the non-shifting input device.

32. The bicycle component control method according to claim 30 , wherein

the selecting of the at least one sprocket assembly is performed by scanning or taking a picture of indication representing a model of the at least one sprocket assembly using the non-shifting input device.