JT Sprockets

Online Catalogue

Betamotor 400 M4 Supermoto

2010 to 2011

Front Sprocket

Lightweight Self-Cleaning Front Sprocket

Part Number: JTF432SC

Teeth: 15

Available Sizes: 13, 14, 15

Steel Front Sprocket

Part Number: JTF432

Teeth: 15

Available Sizes: 11, 12, 13, 14, 15

Rear Sprocket

Part Number: TBA

Teeth: 42

Available Sizes:

Drive Chain

Pitch: 428

Length: 110

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

TeethFront Sprocket
1112131415
Rear Sprocket423.82
+36.4%
3.50
+25.0%
3.23
+15.4%
3.00
+7.1%
2.80
standard

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)