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 Suitable for replacing the existing direct mount Shimano system, with other component manufacturers Eg SRAM Not suitable for thru axles Fits: 2018 - 2020 Polygon Premier 4 (not compatible with Premier 5) 2016 Polygon Siskiu 6 (27.5) 2016 Polygon Siskiu 9 (29) 2016 Polygon Siskiu 9 (27.5) 2016 Polygon Siskiu 7 (29) 2016 Polygon Siskiu 7 (27.5) 2016 Polygon Siskiu 6 (29) 2014 Polygon Recon 1.0, 2.0 and 3.0 2013, 2014 Polygon Xtrada 3 2013, 2014 Polygon Xtrada 5 2013, 2014 Polygon Xtrada 4 2013 Polygon Cozmic29 CX3.0, CX4.0 2013 Polygon Cozmic RX3.0