Detail
Drop outs (derailleur hangers) are a sacrificial component of your bike, designed to bend or break in the event of an accident - saving your frame from being damaged. Always have a spare, as the bike is un-rideable without one. Cast Aluminum Comes with 2 mounting bolts included. Suitable for Shimanos direct mount derailleur system. Not suitable for thru axles Fits: 2017 - 2020 Polygon Siskiu D5 2018 - 2020 Polygon Xtrada 5 & 6 (not compatible with Xtrada 7 and 8) 2018 - 2020 Polygon Premier 5 (not compatible with Premier 4) 2016 Siskiu 6, 7, 9 (27.5 and 29) 2015 - 2016 Polygon Siskiu 27.5 2015 - 2016 Polygon Siskiu D6, D7, D8 2015 - 2016 Polygon Siskiu 29er 2014 Polygon Recon 4.0 2014 Polygon Cozmic29 CX2.0 and CX3.0 2013 Polygon Cozmic29 CX3.0 and CX4.0 2013 Polygon