Shimano Deore XT FC-M785 10 Speed Double Chainring - 104mm BCDShimano Deore XT FC M785 10 Speed Double Chainring 104mm BCD Shimano's XT FCM785 10 Speed Double Chainrings employ the best materials for unrivalled performance. This 10 speed double chainring features Shimano's Hyperglide and Dyna Sys technologies. Remarkably stable and extremely efficient, the Shimano XT 10 Speed Double Chainring is an excellent upgrade or replacement component. Genuine Shimano replacement part supplied brand new in retail packaging