Glasses mirror helps enhance awareness of your surroundings while cycling. It allows you to easily spot vehicles such as cars or cyclists ing from behind, improving overall safety. This bike mirror offers a wide-angle, high-definition view with a clear and fully adjustable design, allowing you to position it in the optimal direction for your needs. 360-degree adjustable rotation: The mirror can be adjusted to suit various riding conditions, providing a broad and uninterrupted field of vision when riding outdoors. Enhanced safety: The mirror can be mounted on compatible eyewear or helmets, helping you monitor traffic and potential hazards behind you, such as closely ing vehicles or sudden overtaking attempts. Ultra-lightweight: Weighing only 12 grams, this compact mirror adds no significant weight or discomfort, making it ideal for long-distance rides. GM-compatible design: Suitable for most cycling sunglasses and goggles. With dimensions of 92 x 41 x 30 mm (3.62 x 1.61 x 1.18 inches), it provides an extended rearward view to support safer cycling. Materials: Constructed from durable acrylic and reflective mirror materials with a sturdy, impact-resistant frame. Specifications: Product name: Glasses bracket rearview mirror Material: Acrylic Size: 92 x 30 x 41 mm Color: As shown in images Package Included: 1 x Glasses bracket rearview mirror Notes: 1. Due to differences in monitor displays and lighting, the actual color may vary slightly from the images. 2. Please allow 0.1–2 cm variation due to manual measurement.