CATEYE BM-45 Rearview Mirror Road Bike Accessories $ 16.34 Specification: Features: can be installed on straight or curved handles small diameter wide angle field of view ensures 11 degrees the size is suitable (diameter 45mm), which reduces the possibility of contact with obstacles r425mm flexion rate (ensure the field of view at 10 meters in the back light, 2 meters wide and 1.5 meters high) .glass mirror, the distortion rate is below 3.5% aluminum alloy shell makes the fixing firmer and more durable Technical specifications: applicable diameter: Inner diameter16~25.4mm . Tightening torque: 8.5n.m others: Equipped with an allen key (3mm) mirror size: 45mm
