39in Speedometer for 49cc 50cc 125cc 150cc 250cc 300cc Mopeds ATV Go Karts Speedo This speedometer is 39 inches (approximately 995 mm) long with M12x1.0 external threads at both ends.The outer sheath is made of PVC and the inner line is square metal type steel wire.It is designed as a direct replacement for the speedometer on vehicles with 49cc, 50cc, 125cc, 150cc, 250cc, and 300cc engines, including mopeds, ATVs, and go karts. Compatible With ROKETA, SUN-L, RED , CARROLL, TANK, GIOVANNI, AIMEX, JACKEL, WILDFIRE, XTREME, JONWAY, YIBEN, QLINK, SEASENG, JMSTAR, VIP, BMS, ICE BEAR, PEACE, and other models using M12x1.0 threaded speedometer connections. Installation is straightforward and requires no modification to the vehicle.The restores speedometer functionality when replacing a worn or damaged unit. Package includes 1 x Speedometer. This is an independent replacement component.References to brands or models are solely for compatibility indication.