25mm 6v gearbox motor can be with encoder micro dc motor

ratio 1/X

30

39

74

97

187

244

610

Gearbox L

17.1

19.6

22.1

24.6

Input rpm

3800

5000

7600

3800

5000

7600

3800

5000

7600

3800

5000

7600

3800

5000

7600

3800

5000

7600

3800

5000

7600

No load rpm

127

167

253

97

128

195

51

68

103

39

52

78

20

27

41

16

21

31

6

8

12

Output rated rpm

102

133

203

73

96

146

39

51

77

29

39

59

15

20

31

12

16

23

5

6

9

rated torque

0.31

0.41

0.6

0.41

0.53

0.79

0.7

0.92

1.35

0.92

1.2

1.77

1.94

2.32

3.42

2.07

2.72

3

3

3

3

Max Torque

2

2

2

2

2

2

3

3

3

3

3

3

6

6

6

6

6

6

6

9

9