Rearview Mirror for BicyclesRearview mirror specially designed for bicycles with a handlebar diameter between 20-23 mm. No matter what bike you have, as long as your handlebar diameter is within this range, the bicycle mirror fits perfectly! This e-bike rearview mirror - safety mirror - traffic mirror gives you a greater sense of riding safety on road bikes. Wider Field of ViewThe bicycle mirror for e-bikes is an essential bicycle accessory. The optimized and improved rearview mirror features a 360 rotatable and 60 reversible lens that can be adjusted to multiple angles to eliminate blind spots. At the same time, the design of the telescopic mirror rod of the bicycle rearview mirror provides a clear telescopic space of 50 mm for checking the status of following vehicles in real time. Anti-Glare LensOrdinary glass bicycle rearview mirrors can easily lose visibility due to glare in the sun! It's dangerous! For your safety, WESTGIRL bicycle mirrors use automotive-grade anti-reflective lenses that clearly reflect your rear view, even in strong sunlight. We believe that safety is no small matter; what is helpful to you is best. Retractable Mirror RodThe body of this folding bicycle mirror is made of high-quality PA+PP material, which is not easily shaken, strong, and durable! Note: Turn the center knob to adjust the length of the mirror rod. This prevents your arms from blocking your view while riding. Choose for your safetyThis bicycle mirror is ideal for e-bikes, mountain bikes, scooters, BMX bikes, electric scooters, etc. Almost all competing products have neglected safety due to their focus on design. That's why we set out to develop a bicycle mirror focused on maximum visibility and road safety. We only offer practical products that are helpful to you. The WESTGIRL rearview mirror offers a 90-day no-questions-asked trial period.