Shimano FC-M6000 Deore 10 Speed ChainsetShimano FC M6000 Deore 10 Speed Chainset The Deore M6000 10sp MTB Double Chainset from Shimano incorporates the technology of Shimano's top chainsets, but without breaking the bank. Benefiting from the durable and smooth power of the two piece "Hollowtech II bottom bracket system, and Dyna Sys chainrings, you know you're in good hands. No matter what the trail, you'll be able to shift with ease and tackle the toughest route. Speed: 2 x 10 Speed Axle