JT Sprockets

Online Catalogue

Honda C125 / C125A-K,L Super Cub >>> 428 Chain Conversion

2018 to 2021

Front Sprocket

Steel Front Sprocket

Part Number: JTF273

Teeth: 14

Available Sizes: 12, 13, 14, 15, 16

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR1231

Teeth: 36

Available Sizes: 36

Drive Chain

Pitch: 428

Length: 106

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
14
Rear Sprocket362.57
standard

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)