SOLID DURABLE: Plastic mirror, Eco-Friendly High Impact Nylon with Fiber.Riding rear view mirror is very solid construction ensures this mirror to last a long time. The mirror won't shake, crack, or break-even during downhill bike riding EASY TO USE: Mounting bracket of road bike rear view mirror is retractable silicon rubber belt, can be easily install even with no tools VISIBILITY HIGH SAFETY: Mountain bike mirror features the convex mirror with its wide field of view and is adjustable to any viewing angle. The bicycle mirror has polished treatment, waterproof and dustproof, can offer you a clear view while cycling. This ensures a safer riding FULL ANGLE ADJUSTMENT:Cycling rear view mirror is base with 360 degrees full rotation and could adjust to any direction to help you watch every direction of your back. Mirror with 180 Degree Plane Rotation to adjust mirror place to the correct angle of the rearview COMPATIBLE FIT BOTH LEFT RIGHT:Cycling rear view mirror fits inside handlebar within 17.4mm ~ 22mm (inside diameter), applicable for both Left and Right. The stainless steel screws allow quickly locking the mirror in the right position firmly Bicycle Rearview Mirror Cycling Riding Rear View Mirror Bike Convex Reflector Mirror with Wide Angle Lens 5.3CM Bike Mirrors Description Rearview mirror can easily install and remove,Mounting bracket is retractable silicon rubber belt, can be easily install even with no toolsEasily install and remove: Mounting bracket is retractable silicon.Retractable rubber belt suitable for the diameter of the pipe approx 15 to 35MM, Can be mounted on handlebars, handle stems, bar ends, frames, etc.The handle of the mirror is adjustable to any angle, 360 degree rotatable. Features Rearview mirror -Colour: Black. -Material:Glass sheet. -Size:5x5x2cm/1.5x1.5x0.6in. Specification: Application:It apply to all handlebar of 15-35MM diameter. Features:Hook and look strap provides easy on/off attachment. Rear reflective tape increases rider visibility. Adds Extra shine to your bike. Package Including 2 * Rearview mirror