Marwi derailleur hanger / frame hook GH-289 Focus Marwi offers a wide range of gear hangers (derailleur hangers) covering the majority of all bikes equipped with a derailleur gear system. Gear hangers are designed to bend or break to prevent damage to the frame in the event of a fall. That is why gear hangers are originally made of 6061 cold forged aluminum. There are many different models of gear hangers. This is due to the fact that the design of the gear hanger is related to the design of the dropout part of the frame. All Marwi gear hangers are 100% the same as the original gear hanger on your bike. And that is precisely why a Marwi gear hanger is the safest choice. 100% the same as the original gear hanger on your bike. Gear hangers are designed to bend or break to prevent damage to the frame in the event of a fall. Union Article number: 725628 EAN code: 8590966392896 Supplier number: 439289 Retail packaging: Yes