748/916/996

Sprocket Change Guide

Gear

Ratio

Front

Sprocket

Rear

Sprocket

Chain

Links

Sprocket Separation

2.40

15

36

94

----

2.47

 

37

94

-4mm

2.53

 

38

96*

+8mm

2.60

 

39

96

+4mm

2.67

 

40

96

----

2.73

 

41

96

-4mm

2.80

 

42

98*

+8mm

2.87

 

43

98

+4mm

2.93

 

44

98

----

3.00

 

45

98

-4mm

3.07

 

46

100*

+8mm

3.13

 

47

100

+4mm

3.20

 

48

100

----

 

 

 

 

 

2.57

14

36

94

+4mm

2.64

 

37

94

---

2.71

 

38

94

-4mm

2.79

 

39

96*

+8mm

2.86

 

40

96

+4mm

2.93

 

41

96

----

3.00

 

42

96

-4mm

3.07

 

43

98*

+8mm

3.14

 

44

98

+4mm

3.21

 

45

98

----

3.29

 

46

98

-4mm

3.36

 

47

100*

+8mm

3.43

 

48

100

+4mm

 

 

 

 

 

Notes:

* Two fewer links will still fit, but with an 8mm shorter wheelbase. Allow 8mm adjustment for 1% allowable chain stretch.

Measure before, then reset rear ride height after.

 

Courtesy Larry Kelly.