Amazon.com : SRAM X01 Rear Derailleur - 11-Speed, Medium Cage, Black : Sports & Outdoors
Amazon.com : SRAM X01 11-Speed Trigger Shifter Includes Handlebar Clamp Black with Gray and White logo with Cable, Housing Sold Separately : Bike Shifters And Parts : Sports & Outdoors
SRAM X1 11 Speed X-Horizon Type 2.1 Rear Derailleur, Black - Pro Bike Supply