Description This round shape bike rearview mirror is strong and durable with long service life. It is simple highly practical in use. It adds the extra vision to your mountain bike and ensure your safety. It is easy to install and suitable for mountain bike, motorcycle, bike, etc. Features - Color: Black - Material: Plastic, acrylic - Size: About 6.75X6.75X2.00cm/2.65X2.65X0.79inch - Diameter: 16-22 mm - To provide you with a clearer and broader vision, you can see the road behind without turning your head - Adopted superior quality material, this bike rearview mirror will serve you for a long time. - The rearview mirror is adopted rotated design, you can adjust the mirror according to your own habits and needs. - The product is simple and convenient to use, light and compact. You can use it without worry. - And , high-cost performance. It also can bring much convenience to you. To provide you with a clearer and broader vision, you can see the road behind without turning your head Adopted superior quality material, this bike rearview mirror will serve you for a long time. The rearview mirror is adopted rotated design, you can adjust the mirror according to your own habits and needs. The product is simple and convenient to use, light and compact. You can use it without worry. And , high-cost performance. It also can bring much convenience to you.