JTR 1204.50 50T Rear Sprocket
Honda:
CRF100 F-4, 5, 6, 7, 8, 9, A, B, C, D 2004-2013
XR100 R-F, G, H, J, K, L, M, N, P, R, S, T, V, W, X, Y, 1, 2, 3 1985-2003
Also fits Honda:
CRF125 FB-F, G 2015-2016 One tooth up