[HIGH QUALITY : The Bicycle Mirrors for Handlebar Adopt high strength Aluminum alloy mirror frame and resin mirror sturdy resistant to shock and durable to use FLEXIBLE ANGLE: Bicycle Mirrors for Handlebar are flexible and allowing multiple angle adjustment based on your needs Base with 360 degrees full rotation and could adjust to any direction to help you watch every direction of your back EASY TO INSTALL: Suitable for handlebars within 22-25 mm/0.86-0.98 in; fits most; mountain bike; road bike; street bike; scooter SAFE REARVIEW MIRROR: The mirror has polished treatment; waterproof and dustproof; can offer you clear view while cycling Mirror can be adjusted to get a better traffic view to ensure your cycling safety PERFECT GIFT FOR YOUR CYCLING: Ideal for road bikes mountain bikes city bikes and YOUR BIKE! If you have any problem of our product]