Ducati 939 Super Sport S
Steel Front Sprocket
Part Number: JTF742
Available Sizes: 14, 15
Part Number: TBA
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
Lower gear ratios allow for higher top speeds.
Higher gear ratios increase torque for better acceleration.