WR250R WR250X 3D7 Dedicated DG15J Speed Healer Meter Error Correction Device Vehicle Speed Pulse Conversion Unit AIpro Sprocket Replacement Compatible (Single Item)A speed healer exclusively for WR250X R produced by the Japanese AIpro company. Corrects speed errors that occur when changing sprocket number combinations or tire size. Read more Manufacturer: AIpro Brand: AIpro Package size: 16. 8 x 10. 8 x 0. 6 cm; 60 g Manufacturer reference : APSY1 Discontinued by the manufacturer: No Color: Single item Product weight: 60 g