Shimano | Xt M785 10 Speed Chainring 38T, 104Bcd, 10Spd, Am-Type, Outer Ring

Shimano XT M785 Chainring These are replacement chainrings for the Shimano XT M785-series Dyna-Sys 2x10 crankset. The Shimano XT M785 Chainring uses a 4-bolt 104/64 BCD pattern. These rings are for the AM 38/24T chainring configuration. Shimano recommends this ratio for superior shifting. For use with Shimano 10 speed drivetrains only 24T uses a 64 BCD (Y1ML24000) 38T uses a 104 BCD (Y1ML98040) | Shimano | Xt M785 10 Speed Chainring 38T, 104Bcd, 10Spd, Am-Type, Outer Ring