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.
Thishanger is compatible with the below models.
Fits:
| Bike Model | Type | Year |
| Polygon | Cozmic DX4 | 2013 |
| Polygon | Trid (Alloy) | 2016 |
| Polygon | Trid Dirt Jump | 2021 |
