JT Sprockets

Online Catalogue

Honda CB250 NDX-B,NB,NC,NDC

1978 to 1982

Front Sprocket

Steel Front Sprocket

Part Number: JTF276

Teeth: 15

Available Sizes: 15, 16

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR247

Teeth: 41

Available Sizes: 35, 36, 41

To be fitted with JTR246B on some models

Drive Chain

Pitch: 520

Length: 102

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
15
Rear Sprocket412.73
standard

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)