THIS IS YOU CHOICE OF 13, 14, OR 15 TOOTH FRONT SPROCKET THAT FITS HONDA ATC250R 1983-86, TRX250R 1986-1989, OR CR500R 1984-1985. 88MOR88NOR88PCHOOSE_NUMBER_OF_TEETH: 13_TOOTH_(88M)14_TOOTH_(88N)15_TOOTH_(88P)