• Made of premium CNC aluminum alloy+nylon, lightweight, non-deformation and durable for a long time
• Simple and colorfast surface, good looking adds much more fashion to your motorcycle
• Protect the chain from falling out and bending its narrow ring chain perfectly
• Easy to install without disassembling the chain ring out
• Useful tool for electric bike owner to make the bike better and enjoy the riding

Specification:

• Material: 7075 aluminum alloy (CNC), nylon
• Applicability: Suitable for BAFANG motor
• Weight: About 20g