JT Sprockets

Online Catalogue

Aprilia 125 SX

Road

2008 to 2012
Front Sprocket
Part No.Teeth
JTF39415
Available Sizes
11, 13, 14, 15, 16, 17
Rear Sprocket
Part No.Teeth
JTR2245
Available Sizes
42, 45, 49
Chain
PitchLength
520112

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
423.823.233.002.802.622.47
454.093.463.213.002.812.65
494.453.773.503.273.062.88