Rear Sprocket 40T (Afam) $ 90.00 SKU: 13326-40 Afam 40T rear sprocket Back to: Transmission and Driveline ×Close Afam Sprockets and chains. http://www.afam.co.jp/ Description Afam rear sprocket. This is the later sprocket with the 68mm pitch between the holes. Will suit 2001 model rear wheel and later.