The moisture meter can quickly measure the moisture content of the grain. 1. Safe riding: for your escort, the bike adopts HD rearview mirror, 360 rotation, high strength material, HD mirror and is suitable for most bicycles on the market. 2. Integrated molding design: integrated molding, support reinforcement, high hardness material, not easy to break, durable and anti-aging. 3. Wide application: Compatible with most bicycles, reflector installation requirements, the need to install models with mirror base, compatible with handlebar diameter on 22.2mm/0.9in bikes. 4. Clean mirror: clean mirror has a wide field of view, the mirror adopts acrylic material, the field of view is clear and there is no dizziness, the fall from the bike is not easy to break, making cycling safer. 5. 360 rotation adjustment buckle: universal 360 rotation adjustment buckle, can position the reflector in the right position, reject the blind area, safe travel. Specification: Item Type: Bicycle Rearview Mirror Weight: approx. 138 g / 4,9 oz Material: PAPP Mirror size: approximately 105 x 55 mm / 4,1 x 2,2 inches Application: bicycles with handlebar diameter less than 22,2 mm / 0,9 inch List of packages: 1 x Rearview Mirror 1 x Mounting Clip 1 x Seal 1 x Internal Hex Wrench Unscrew the mounting clamp screws, cover the steering wheel, mount the rearview mirror, then tighten the screws; The tightness of the rearview mirror rotation can be adjusted by turning the screws. Internal hex key included.