This Outer Chainring can only be used with Shimano Deore XT FC-M8000 11spd Double Chainsets with a 38-28T set up. Shimano XT M8000 38T-BD Chainring Teeth38 Groupset Deore XT SeriesM8000 PCD96 4-Arm Type Outer Speed11 Weight89
Best Price: £59.99 from Leisure Lakes Bikes