CNC hangers VS CAST hangers

Below is the difference between CAST (OEM hangers) and CNC (aftermarket hangers)

CAST alloy hangers are fitted by manufacturers as standard, they are fitted because they are cheap to produce, but are not made to the best tolerances, the downside with these hangers is that they are weak and soft, good I hear you say, well yes and no, yes because they will bend and break when needed, but no because they flex under derailleur spring action and therefore can cause poor and erratic shifting.

CNC hangers are made to exact tolerances, and therefore are a specific fit, the main advantage is that they are stronger, so they will improve your shifting as there will be no flex in the hanger, resulting in clean precise shifting of your derailleur. BUT they are still designed to do the job and that is to break under forces outside there operating tolerances.

Conclusion, CNC are much better, and do the best job, CAST hangers are perfectly good, but can have an effect on your shifting.

Basically ALL hangers are designed to break, but only under forces outside of there working tolerances, our hangers are made from 6061 alloy, machined from scanned Billet alloy, so there are no flaws in our hangers, and will only break (as they are designed to) when subjected to an external force.

Hangers do not break on their own, there is always a reason somewhere.

The Gearmechhanger.com Team