The Specialized Mountain Bike Thru-Axle Derailleur Hanger is an OEM replacement part for a number of Specialized and S-Works mountain bikes and e-bikes. To choose the correct derailleur hanger for your bike, it is important that the hanger is identical in appearance to the one it is replacing. Carefully compare images with the actual hanger to ensure that the shape is the same and that the bolt holes are in the same locations. Not the exact hanger you're looking for? Check out our selection of Specialized Rear Derailleur Hangers. OEM Part for the following Specialized Bikes Chisel (2018-2021) Demo (2019-2021) Enduro (2020-2021) Epic Hardtail (2020-2021) Epic Full Suspension (2018-2020) Kenevo (2020-2021) Levo (2019-2021) Stumpjumper (2018-2020)