Marwi offers a wide range of gear hangers (derailleur rear dropouts) suitable for most bicycles with a derailleur gear system. Gear hangers are designed to bend or break in the event of a fall, preventing frame damage. Marwi gear hangers are originally made of 6061 cold-forged aluminum, ensuring durability and reliability. Several models of gear hangers are available, as their design is based on the frame's dropout section. All Marwi gear hangers are identical to the original gear hanger on your bicycle, making them the safest choice.

• Compatible with TrekUnion derailleur pad gh-139
• Compatible with TrekMarwi derailleur hanger/frame hook GH-139 with M8x0.75 screw set