• 【Versatile Protection】Installed on the rear wheel, this quick-release hub protects the rear derailleur in case of accidental bike tipping.
• 【Enhanced Night Safety】When mounted on the rear wheel, it serves as a bracket for warning lights, providing extra safety during night rides.
• 【Front Wheel Lighting Solution】When installed on the front wheel, it accommodates night riding lights, freeing up handlebar space.
• 【Considerate Light Positioning】Lowers the height of bike lights, preventing direct glare into pedestrians' and children's eyes, promoting eco-friendly and considerate cycling.
• 【Multi-Purpose Design】Functions as both a light mount and a quick-release nut replacement for front and rear wheels.

Specifications:

• Material: Aluminum alloy
• Dimensions: 60 x 22 x 18.5 mm
• Net Weight: 17.7g
• Compatibility: Mountain and road bikes
• Installation: Quick-release system