JT Sprockets

Online Catalogue

Aprilia 50 RS4 2T E4

2018 to 2019

Front Sprocket

Steel Front Sprocket

Part Number: JTF1128

Teeth: 11

Available Sizes: 11

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR1133

Teeth: 53

Available Sizes: 52, 53, 59, 65

Drive Chain

Pitch: 420

Length: 132

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
Rear Sprocket524.73

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)