Description
The Warp9 428 Rear Sprocket is designed specifically for the Arctic Leopard XE Pro S and XE Pro R, providing multiple gearing options to fine-tune your bike for acceleration, low-end pull, or higher-speed riding.
Constructed from aluminum and designed for a 428 chain, the sprocket is available in six tooth-count options and multiple anodized finishes to match your bike and riding setup.
Key Features
- Aluminum rear sprocket
- 428 chain pitch
- Multiple tooth-count options for gearing changes
- Available in Black, Red, and Magnesium anodized finishes
- Designed specifically for Arctic Leopard XE Pro S and XE Pro R
Fitment
- Arctic Leopard XE Pro S
- Arctic Leopard XE Pro R
Available Sprocket Sizes
- 42T
- 48T
- 50T
- 52T
- 54T
- 58T
Gearing Note: A larger rear sprocket increases low-end pull and torque multiplication while reducing speed at the same motor RPM. A smaller rear sprocket favors higher speed with less torque multiplication. Large changes in tooth count may require a longer chain, and additional chain links are not included.

















