SRAM Eagle 90 T-Type Full Mount (UDH) 12 Spd Mountain Bike Rear Derailleur 52T Max RD-90-A1

Full Mount Design (UDH frame required) T-Type compatibility Most robust mechanical derailleur Replaceable skid plates, outer and inner parallelogram link, cage or cage assembly The most rebuildable derailleur in the Eagle Transmission Ecosystem T-Type cable actuation ratio SRAM Model ID: RD-90-A1 Attributes Maximum Cog 52T Minimum Cog 10T Primary Color Black RD Capacity 42T Speed 12 Mount Full Mount (UDH)