The bicycle mirror with arm 91-011 by NEO is a mirror whose housing is made of PP and the mirror is made of high-quality acrylic. The bicycle product has an anti-explosion feature. It is adapted for both right and left side mounting. It offers convenient angle adjustment. The mirror has a mounting hole diameter of 16 -22 mm. Its weight is only 91 g, so it does not weigh down the handlebars. The NEO brand is recommended for cycling enthusiasts.