JT Sprockets

Online Catalogue

Aprilia 125 RS (80 Kmh version) — Germany

Road

1997 to 2003
Front Sprocket
Part No.Teeth
JTF39413
Available Sizes
11, 13, 14, 15, 16, 17
Rear Sprocket
Part No.Teeth
JTR70140
Available Sizes
38, 39, 40, 41, 42, 43
Chain
PitchLength
520106

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 Chart

Full Gear Ratio Chart (pdf)

Teeth111314151617
383.452.922.712.532.382.24
393.553.002.792.602.442.29
403.643.082.862.672.502.35
413.733.152.932.732.562.41
423.823.233.002.802.622.47
433.913.313.072.872.692.53