Name: Bicycle hub quick release lamp tube holder/rear derailleur protector
advantage:
1. Installed on the rear wheel, it can be used when the bicycle accidentally rolls over
Protect to the rear derailleur.
2. After installing the rear wheel, you can install the warning light on it, which is one more night ride
Security guarantee.
3. Install with the front wheel, you can install the night running lights on it, liberating
The space for the handlebars can also reduce the height of the lights to avoid
Direct shot into the eyes of passersby children, green travel while caring for him
people.
Material: aluminum alloy
Size: 65.9*18.5*27mm