Matt Connwrote a review of SRAM X01 Eagle 12-Speed Rear Derailleur - OE on February 28, 2019
Familiarity: I've put it through the wringer
What a piece of art this thing is! When I unboxed it I wasn't sure whether to put it on my bike or my mantle. The fit and finish is truly stunning and second to none. Sram has truly changed the way my bike climbs and descends.