Selected Model:

Honda ST70 G2 Dax Germany

1977 to 1980

Front Sprocket: JTF 253.15

Rear Sprocket: JTR 256.35

Recommended Chain: : 420 / 88


Front sprocket available in: 12, 13, 14, 15, 16, 17 teeth

Rear sprocket available in: 28, 31, 33, 35, 36, 37, 38, 40, 41, 42, 43, 44, 46 teeth


Please click here for a gear ratio chart



Very important: Please note that the chain shown in this listing is for size reference only. For the correct chain type and grade, please refer to the vehicle's manufacturer manual.



Gear Ratio

Full Gear Ratio Chart (pdf)

12 13 14 15 16 17
46 3.83 3.54 3.29 3.07 2.88 2.71
44 3.67 3.38 3.14 2.93 2.75 2.59
43 3.58 3.31 3.07 2.87 2.69 2.53
42 3.50 3.23 3.00 2.80 2.63 2.47
41 3.42 3.15 2.93 2.73 2.56 2.41
40 3.33 3.08 2.86 2.67 2.50 2.35
38 3.17 2.92 2.71 2.53 2.38 2.24
37 3.08 2.85 2.64 2.47 2.31 2.18
36 3.00 2.77 2.57 2.40 2.25 2.12
35 2.92 2.69 2.50 2.33 2.19 2.06
33 2.75 2.54 2.36 2.20 2.06 1.94
31 2.58 2.38 2.21 2.07 1.94 1.82
28 2.33 2.15 2.00 1.87 1.75 1.65

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