Ring gear ergal T42 P520 Streetfighter and Ducati Superbike Panigale V4 S 2025+ CNC Racing

Elevate your Streetfighter V4 or Panigale V4 performance with the Z42 racing sprocket (520 pitch). The 42-tooth configuration offers the perfect balance between explosive acceleration and high-end speed. CNC-machined from Billet Ergal 7075 T6, this sprocket slashes rotational inertia, enabling faster tip-ins and more precise power management.

• Total Versatility: Fully compatible with both the OEM hub and our FC253 carrier.
• V4 Dedicated: Specifically tuned for Streetfighter V4 and Panigale V4 power delivery.
• 520 Conversion: Reduced weight and friction for superior mechanical efficiency.
• Z42 Setup: The most versatile ratio for aggressive street riding and track days.
• CNC Precision: Millimetric tooth profiling for vibration-free chain engagement.
• Aerospace Grade: Billet Ergal for maximum durability under extreme racing stress.