Aluminum Alloy Bicycle Hub Quick Release Axis Wheel Lamp Holder Mountain Road Cycling Bike Rear Derailleur Protector Bracket 
Feature:
1. Installed on the rear wheel to protect the rear derailleur when the bicycle accidentally rolls over.
2. Installing the rear wheel can install the warning light on it, which provides more safety for night riding.
3. Installed on the front wheel, you can install the night running lights on it, free up the handlebar space, and at the same time reduce the height of the lights to avoid direct shots to the eyes of passersby and children. Green travel while caring for others.

Specification:
Main material: aluminum alloy
Product color: Red/Black
Product size: about 50x20x20mm/1.96*0.8*0.8in
Net weight: about 20g

Instruction:
This product is only suitable for quick release wheels
Not useable for quick release
After removing the quick release nut,replace the original nut and install this lamp holder directly.

Note:
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-3cm measuring deviation due to manual measurement.