JT Sprockets JTA478.39BLK Black Rear Sprocket

Description

JT Sprockets JTA478.39BLK Black Rear Sprocket

The JT Sprockets JTA478.39BLK rear sprocket is designed for 520 chain conversion setups on Kawasaki ZX-10R and ZX-10RR models. Its steel construction ensures durable power transfer, while the CNC-machined tooth profile supports accurate chain alignment and smooth engagement under high-load riding conditions.
The black corrosion-resistant finish maintains dimensional accuracy in demanding environments, improving drivetrain stability for sport, track and road use.

Features:
• Steel rear sprocket for 520 chain conversion setups
• CNC-machined profile for accurate chain alignment
• Corrosion-resistant black surface treatment
• Stable engagement under high-load riding
• Compatible with Kawasaki ZX-10R and ZX-10RR models

Fitment:

Kawasaki Road

ZX-10R Series
• 04-05 → ZX-10R Ninja (C1–C2) 520 chain conversion
• 11-15 → ZX-10R Ninja / Ninja ABS (JBF–KFF range) 520 chain conversion
• 16-18 → ZX-10R Ninja / Ninja ABS / Ninja KRT ABS (RGF–SJFA range) 520 chain conversion
• 19 → ZX-10R Ninja (FKF–FKFA) 520 chain conversion
• 19-20 → ZX-10R Ninja ABS / Ninja KRT ABS (EKF–ELFA range) 520 chain conversion
• 25 → ZX-10R Ninja ABS (ZX1002) 520 chain conversion

ZX-10RR Series
• 17-18 → ZX-10RR Ninja ABS (ZHF–ZJF) 520 chain conversion
• 19 → ZX-10RR Ninja (GKF) 520 chain conversion