The original is too fragile, print it in TPU so it cannot break anymore ;)
More details here - https://bit.ly/LeoRc
This is how I've tested it, so it seems durable and worth sharing. Enjoy!
don't forget to try the improved Steering design for wltoys 12428:
https://www.printables.com/model/884781-wltoys-12428-bellcrank-steering-final
The author marked this model as their own original creation.