Marwi derailleur hanger/frame hook GH-300 Haibike Marwi offers a wide range of gear hangers (derailleur hangers) that cover the majority of all bicycles equipped with a derailleur gear system. Gear hangers are designed to bend or break to prevent any damage to the frame in the event of a fall. That's why gear hangers are originally made from 6061 cold forged aluminum.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 to prevent any damage to the frame in the event of a fall. Union Article number: 725639 EAN code: 8590966393008 Supplier number: 439300 Retail packaging: Yes