CLASSIC STYLE BIKE SPEEDOMETER: Chrome Bezel Old School Style Retro Bicycle Speedometer with Crystal Acrylic, Looks Great on Your bike. Big in Size, Easy To Read. | EASY TO INSTALL: Simple Installation Only Takes A Few Minutes. Mount The Reader on The Handlebar, Attach The Gear to The Axle of The Front Wheel, Link Them by The Cable. No Need for Batteries and Adjustment Setting. | AUTO-RESET: There