Compatible with Deore XT M785 Double Chainset (AJ type 40-28T) only Brand Shimano MPN Y1ML98030 Bolt Center Diameter 104 mm Teeth 40t For Bike Type Mountain Bike Color Black/Silver Type Chain Ring UPC 689228947573 UPC 689228947573 Part Type Bicycle part ColorBlack/ Silver MaterialAluminum Chain Compatibility10-Speed Dyna-Sys chains BCD104mm Teeth40T .
