Selected Model:

Honda CR80 R Expert >>>> 428 Chain Conversion

1996 to 2001

Front Sprocket: JTF 1257.15

Rear Sprocket: JTR 217.55

Alloy Rear Sprocket: JTA 217.55

Recommended Chain: : 428 / 126


Front sprocket available in: 14, 15 teeth

Rear sprocket available in: 49, 50, 52, 55, 56 teeth

Alloy Rear sprocket available in: 49, 50, 55, 56 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)

14 15
56 4.00 3.73
55 3.93 3.67
52 3.71 3.47
50 3.57 3.33
49 3.50 3.27

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