Spurcycle R35 Pro Aluminum Mirror Mirror Mirror On the Wall This is the drop-bar mirror of your dreams: mechanical simplicity engineered for the modern cockpit. The R35 Pro Mirror is made from aluminum with optical-quality tempered glass and a robust 2-axis pivot system that resists impact and accidental displacement, so you can ride better informed with a clear rearview, even through rowdy Strava segments. Features Tempered, optical-quality glass mirrorfor absolute clarity, even without perfect pavement Machined 6061 aluminum bezel and end capwith a stainless-steel pivot bolt for pro-grade durability Tool-free installationin under 60 seconds with a nylon expander system Robust 2-axis pivotwith independent up/down and in/out adjustments for a perfectly dialed rearview Vibration-resistant designstays stable and clear on pavement, pave, and gravel alike SPECIFICATIONSIntended Use Road, Gravel, Drop Bar Bikes Mirror Size35mm Material Aluminum body, tempered glass mirror, nylon expander, stainless-steel pivot bolt Weight40g Fit Handlebar I. D. 14-21mm | Spurcycle | R35 Pro Aluminum Mirror Black | Nylon