SRAM RED AXS E1 12 Speed Rear Derailleur Rims - Other it's been seen on many

it's been seen on many a rider

Crown: AC4C

it does not restrict freedom of movement

modern geometry

SRAM RED AXS E1 12 Speed Rear Derailleur Rims - Other it's been seen on manySRAM RED AXS E1 REAR DERAILLEUR The heart of the AXS ecosystem is lighter, more efficient, and more capable than ever. Covering cassette ranges from 10 28T up to 10 36T, this wireless wonder has larger pulleys to increase drivetrain efficiency, and an Orbit fluid damper to keep everything in place over the rough stuff. One derailleur ready for 1x or 2x, on road or off. SPECIFICATIONS Speed (RD) 12s Cable pull ratio n a Cage (RD) n a Max tooth 36 Color