Marwi derailleur hanger/ frame hook GH-269 Stevens Marwi offers a wide range of gear hangers (rear 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 That is why gear hangers are originally made from 6061 cold-forged aluminium. There are many different models of gear hangers. This is because the design of the gear hanger is related to the design of the dropout part of the frame. All Marwi gear hangers are 100% identical to the original gear hanger on your bike. And that is precisely why a Marwi gear hanger is the safest choice. 100% identical to 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: 725608 EAN code: 8590966392698 Supplier number: 439269 Retail packaging: Yes