SRAM RED AXS Rear Derailleur - 12-Speed Medium Cage 36t Max Battery Not Included BLK E1 CheckoutSpec= 20''x2.35 }Pirelli P ZERO Race 4S Boot Size:41.5

SRAM RED AXS Rear Derailleur 12 Speed Medium Cage 36t Max Battery Not Included BLK E1 CheckoutSpec= 20''x2.35 }Pirelli P ZERO Race 4S Boot Size:41.5 }Pirelli P ZERO Race 4S Tire 700 x 28 Clincher Folding Black Defined Color Black Rings 34 Spindle Interface Type SRAM DUB Chainring BCD Direct Mount SRAM Color Black Chainline Hub Compatibility 141 148 Boost Hubs Drivetrain Speeds 12 Drivetrain Speeds 11 Drivetrain Speeds 10 Number of Chainrings Chain Retaining Single Crank Intended Use Mountain BB Included No Pedal Spindle 9 16" Crank Length (mm) 170 Covering cassette ranges from 10 28t up to 10 36t this wireless wonder has larger pulleys to decrease chain articulation and increase efficiency and an Orbit fluid damper to keep everything in place over the rough stuff Compatible with existing AXS batteries (sold separately) Largest Cog 36 Rear Der Shifter Compatibility SRAM eTap AXS Rear Derailleur Mount Type 10x1 Standard Drivetrain Speeds 12 Cage Length Medium Color Black Weight 262