Shimano Deore RD-M5100-SGS Rear Derailleur - 11-Speed Long Cage Black 375lb 9 Weight 281 Shaft Type

9 Weight 281 Shaft Type Smooth ISO Width (mm) 61 ISO Width (mm) 62 ISO Width (mm) 63 ISO Width (mm) 64 ISO Width (mm) 65 ISO Width (mm) 66 ISO Width (mm) 67 ISO Width (mm) 68 ISO Width (mm) 69 ISO Width (mm) 70 ISO Width (mm) 71 ISO Diameter 559 / 26" MTN keyword search Quantity Break Valve Core Removable Labeled Size 26 x 2

SXg SL Alloy Chain GuideCo-molded "HD2" upper guide with softer durometer interior for silent guidance

5 mm outboard chain line design to allow wider tire clearance

Ultra-light hollow carbon fiber crankarms are 29g lighter than previous generation

Shimano Deore RD-M5100-SGS Rear Derailleur - 11-Speed Long Cage Black 375lb 9 Weight 281 Shaft TypeThe Shimano RD M5100 Rear Derailleur provides efficient and smooth shifting for Deore M5100 11 speed drivetrains. Features the Shadow RD+ chain stabilizer system to minimize chain slap Compatible with a 51T maximum cog size for 11 speed systems Rear Derailleur Mount Type 10x1 Standard Rear Der Shifter Compatibility Shimano DynaSys11 Cage Length Long Drivetrain Speeds 11 Color Black Largest Cog 51