GearFit RC

RC gearing, made visual

Inputs

Gear Setup

Metric (Module) or Imperial (DP) and car-specific ratios.

Standard

Min/Max Centre Distance (mm)

Differential (Ring / Pinion)

Gearing Range

The range of pinion and spur gears you want to see in the grid.

Pinion Gear From | To

Spur Gear From | To

Gear Fit & Ratio

Green cells fit your car's center distance. Red cells do not. Click a green cell to select it.

Spur /
Pinion

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

50

4.87

B

51

5.14

B

4.97

B

52

5.43

B

5.24

B

5.07

B

53

5.74

B

5.53

B

5.34

B

5.16

B

54

6.07

T

5.85

B

5.64

B

5.44

B

5.26

B

55

6.43

T

6.18

T

5.95

B

5.74

B

5.54

B

5.36

B

56

6.82

T

6.55

T

6.30

T

6.06

T

5.85

B

5.64

B

5.46

B

57

7.24

T

6.94

T

6.66

T

6.41

T

6.17

T

5.95

B

5.75

B

5.55

B

58

7.71

T

7.37

T

7.06

T

6.78

T

6.52

T

6.28

T

6.05

T

5.85

B

5.65

B

59

8.21

T

7.84

T

7.50

T

7.19

T

6.90

T

6.63

T

6.39

T

6.16

T

5.95

B

5.75

B

60

8.77

T

8.35

T

7.97

T

7.63

T

7.31

T

7.02

T

6.75

T

6.50

T

6.26

T

6.05

T

5.85

B

61

9.38

T

8.92

T

8.49

T

8.10

T

7.75

T

7.43

T

7.13

T

6.86

T

6.60

T

6.37

T

6.15

T

5.94

B

62

10.07

T

9.54

T

9.06

T

8.63

T

8.24

T

7.88

T

7.55

T

7.25

T

6.97

T

6.71

T

6.47

T

6.25

T

6.04

T

63

10.83

T

10.23

T

9.69

T

9.21

T

8.77

T

8.37

T

8.01

T

7.67

T

7.37

T

7.08

T

6.82

T

6.58

T

6.35

T

6.14

T

64

11.69

T

11.00

T

10.39

T

9.85

T

9.35

T

8.91

T

8.50

T

8.13

T

7.79

T

7.48

T

7.20

T

6.93

T

6.68

T

6.45

T

6.24

T

65

12.67

T

11.88

T

11.18

T

10.56

T

10.00

T

9.50

T

9.05

T

8.64

T

8.26

T

7.92

T

7.60

T

7.31

T

7.04

T

6.79

T

6.55

T

6.33

T

66

12.86

T

12.06

T

11.35

T

10.72

T

10.15

T

9.65

T

9.19

T

8.77

T

8.39

T

8.04

T

7.72

T

7.42

T

7.15

T

6.89

T

6.65

T

6.43

T

67

13.06

T

12.24

T

11.52

T

10.88

T

10.31

T

9.79

T

9.33

T

8.90

T

8.52

T

8.16

T

7.83

T

7.53

T

7.25

T

6.99

T

6.75

T

6.53

T

68

13.25

T

12.42

T

11.69

T

11.04

T

10.46

T

9.94

T

9.47

T

9.03

T

8.64

T

8.28

T

7.95

T

7.64

T

7.36

T

7.10

T

6.85

T

6.63

T

69

13.45

T

12.61

T

11.86

T

11.21

T

10.62

T

10.08

T

9.60

T

9.17

T

8.77

T

8.40

T

8.07

T

7.76

T

7.47

T

7.20

T

6.95

T

6.72

T

70

13.64

T

12.79

T

12.04

T

11.37

T

10.77

T

10.23

T

9.74

T

9.30

T

8.90

T

8.53

T

8.18

T

7.87

T

7.58

T

7.31

T

7.06

T

6.82

T

71

13.84

T

12.97

T

12.21

T

11.53

T

10.92

T

10.38

T

9.88

T

9.43

T

9.02

T

8.65

T

8.30

T

7.98

T

7.69

T

7.41

T

7.16

T

72

14.03

T

13.15

T

12.38

T

11.69

T

11.08

T

10.52

T

10.02

T

9.57

T

9.15

T

8.77

T

8.42

T

8.09

T

7.79

T

7.52

T

73

14.23

T

13.34

T

12.55

T

11.85

T

11.23

T

10.67

T

10.16

T

9.70

T

9.28

T

8.89

T

8.54

T

8.21

T

7.90

T

74

14.42

T

13.52

T

12.72

T

12.02

T

11.38

T

10.82

T

10.30

T

9.83

T

9.40

T

9.01

T

8.65

T

8.32

T

75

14.62

T

13.70

T

12.90

T

12.18

T

11.54

T

10.96

T

10.44

T

9.97

T

9.53

T

9.13

T

8.77

T

76

14.81

T

13.88

T

13.07

T

12.34

T

11.69

T

11.11

T

10.58

T

10.10

T

9.66

T

9.26

T

77

15.01

T

14.07

T

13.24

T

12.50

T

11.85

T

11.25

T

10.72

T

10.23

T

9.79

T

78

15.20

T

14.25

T

13.41

T

12.67

T

12.00

T

11.40

T

10.86

T

10.36

T

79

15.39

T

14.43

T

13.58

T

12.83

T

12.15

T

11.55

T

11.00

T

80

15.59

T

14.62

T

13.76

T

12.99

T

12.31

T

11.69

T

Fits Center Distance

Does Not Fit

S

Speed

T

Torque

B

Balanced

Speed

34.2

mph

55.1 km/h

Spur Ratio

3.05:1

Differential Ratio

2.92:1

Gearbox Ratio

1.00:1

Total Ratio

8.91:1

Power Setup

Adjustments

Voltage Mode

Efficiency

85%