Fact Sheet of SRAM XX1 Eagle AXS Upgrade Kit - 12-speed Product Name: SRAM XX1 Eagle AXS Upgrade Kit - 12-speed Manufacturer: SRAM Item Code: SRA432868 activity: Bike usage bikesport: MTB shifting system: 12-speed shifting actuation: Electronic rear derailleur cage: long rear derailleur max. teeth: 52 Model year: 2022 weight: 457g