1. Material: PC
2. Applicable models: electrical bicycle
3. The material is sturdy and durable, not easy to aging and hardening
4. Waterproof and dustproof, plug the hole, effectively protect the original bike
5. No need to build-in nut fixing, directly squeeze in to install
6. Easy to dismantle, no damage to the original functions
7. Size: about 35 x 30mm