Up for sale is JT 1989-1990 CB400F CB-1 Honda REAR SPROCKET STEEL 38T-525 HON/TRI JTR1332.38. The vendor part number is JTR1332.38. Please read the title to know what is for sale. Catalog Description� TOP QUALITY AT ECONOMICAL PRICES Made exclusively from the finest Japanese 545C high carbon steel Heat treated and hand finished to meet or exceed O.E.M. standards Outlasts any mild steel or surface hardened sprocket as much as two or three times over .