JT Sprockets

Online Catalogue

Rieju 125 Marathon Pro Supermotard

2009 to 2015

Front Sprocket

Part Number: JTF1550

Teeth: 14

Available Sizes: 13, 14, 15

Rear Sprocket

Part Number: JTR1134

Teeth: 56

Available Sizes: 48, 50, 51, 52, 54, 56

Drive Chain

Pitch: 428

Length: 136

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)

Teeth131415
483.693.433.20
503.853.573.33
513.923.643.40
524.003.713.47
544.153.863.60
564.314.003.73