Coolbike Cycling Bicycle Rear View Mirror, Bike Convex Reflector Mirror For Road Bike Mountain Bike Pipe Diameter Approximately 0.59 to 1.38 Inch ( 1 PCS )

The price and quality are fine, but the size and close mounting to the handlebar simply does not permit me to comfortably see what is behind me. My view is obstructed by my hands and arms. I should have been more careful and aware in making this choice.