Marwi derailleur hanger/ frame hook GH-272 Bergamont Marwi offers a wide range of gear hangers (rear derailleur hangers) that cover the majority of all bikes equipped with a derailleur gear system. Gear hangers are designed to bend or break in order to prevent any damage to the frame in the event of a fall. For this reason, gear hangers are originally made from 6061 cold forged aluminum.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% identical to the original gear hanger on your bike. And precisely for this reason, 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 in order to prevent any damage to the frame in the event of a fall. Union Article number: 725611 EAN code: 8590966392728 Supplier number: 439272 Retail packaging: Yes