A key element in Shimano’s legendary shifting performance, the latest XTR front derailleur continues to lead the way with flexible mounting options and easy access fasteners. Features: Fits Shimano 38T, 40T and 42T, 10 speed double cranks, down-swing linkage, Shimano direct mount design, integrated cable stop, top pull or bottom pull cable routing, dual spike technology specifications: type: 2×10 derailleur model number: FD-M986-D series: XTR swing action: down swing cassette compatibility: 10 speed Shimano Maximum capacity: 14T Top Gear Teeth: 38 44T R cable outing: dual pull top or bottom.