JT Sprockets

Online Catalogue

Honda CR125 RZ

1979

Front Sprocket

Steel Front Sprocket

Part Number: JTF266

Teeth: 13

Available Sizes: 13, 14

Rear Sprocket

Part Number: TBA

Teeth: 51

Available Sizes:

Drive Chain

Pitch: 520

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
1314
Rear Sprocket513.92
standard
3.64
-7.1%

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)