JT Sprockets

Online Catalogue

Gas Gas 50 Rookie

2002 to 2005

Front Sprocket

Part Number: TBA

Teeth: 12

Available Sizes:

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR1131

Teeth: 52

Available Sizes: 45, 48, 50, 52, 53, 58, 60, 62, 65

Drive Chain

Pitch: 420

Length: 130

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
12
Rear Sprocket524.33
standard

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)