Shimano XT M780 10 Speed Triple MTB Chain RingGenuine Shimano replacement part. For use with Shimano Deore XT FC-M780 10spd Triple Chainset - 42-32-24T. Can also use 42T Outer Chainring from FC-M980, FC-M770-10 & FC-M660-10 these are a “B” match which indicates that the parts are usable, but differ in materials, appearance, finish & size etc.Features: Compatible with: M770, M780 chainsets Material: Aluminum Teeth: 42Chainring BCD: 104mmRing Position: OuterChain Compatibility: Shimano 10A 2 year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.