Fact Sheet of SRAM RED XPLR eTap AXS Rear Derailleur 1x12 - black Product Name: SRAM RED XPLR eTap AXS Rear Derailleur 1x12 - black Manufacturer: SRAM Item Code: SRA520431 activity: Bike material: Aluminium usage bikesport: Road Bike, Gravel, Allroad / Gravel Road shifting system: 12-speed shifting actuation: Electronic rear derailleur cage: medium rear derailleur max. teeth: 44 rear derailleur version: conventional Model year: 2022 Color: Black