Marin Derailleur Hanger #43

This hanger is specifically designed for the Muirwoods RC (2020-2021), Presidio 1 (2020), and Presidio 2/3/4 (2020-2022). If your bike model or year falls outside of these ranges, this part will not fit correctly.

Derailleur hangers are designed to be the 'weak link' in your drivetrain. They are engineered to bend or break during an impact to absorb the force that would otherwise damage your bike's frame, which is much more expensive to repair.

While it is sometimes possible to straighten a slightly bent hanger, the metal is often weakened during the process. For the most precise shifting and to ensure the hanger doesn't snap unexpectedly, replacing it with a new one is always the safer, more reliable choice.

Generally, you only need a set of hex keys to remove the old hanger and bolt the new one into place. However, after installation, you may need to adjust your derailleur's limit screws or cable tension to ensure your shifting remains crisp and accurate.

Yes, it is highly recommended. Because hangers are bike-specific and can be difficult to source quickly, keeping a spare in your tool kit ensures you aren't sidelined for days or weeks if you have an accidental strike on a ride.