This is a multi-purpose mechanical speedometer for bicycles or tricycles. It is high-quality bicycle engineering made of durable aluminum alloy.<br> Small but light weight, functions as a bike speedometer and odometer, measuring both speed, distance and riding time.<br> Pure mechanical bike code table, not only good quality but also accurate data.<br> It only applies to 26 / 27.5 / 28/29 inch bikes. Check your bike size before purchasing.<br> Our products have complete accessories and are easy to install. The bike speedometer is designed to be old school chrome circle style.<br> Color black.<br> Scope of delivery: 1 piece bicycle speedometer.<br> Main Material: Aluminum Alloy.<br> Item Size:. Approx. (L*W*H).<br> Gross weight: Approx.350g.<br> Package including<br> 1 piece bicycle speedometer<br> Details<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store