JT Sprockets Catalogue

Honda ST70 France

1982 to 1983

Front Sprocket:

JTF253

Teeth:

15

Rear Sprocket:

JTR256

Teeth:

33

Chain Pitch:

420

Length:

84

 

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

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)

Teeth121314151617
282.332.152.001.871.751.65
312.582.382.212.071.941.82
332.752.542.362.202.061.94
352.922.692.502.332.192.06
363.002.772.572.402.252.12
373.082.852.642.472.312.18
383.172.922.712.532.382.24
403.333.082.862.672.502.35
413.423.152.932.732.562.41
423.503.233.002.802.622.47
433.583.313.072.872.692.53
443.673.383.142.932.752.59
463.833.543.293.072.882.71

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