In this rather long video I will go through upgrading my TRX-6's read and middle axles with the incredible Treal alloy metal housings and other brass parts. Below are links to the items where I bought them.
Brass link attachments:
www.amazon.com/gp/product/B08...
Rear axle housing by Treal:
www.amazon.com/gp/product/B08...
Middle axle housing by Treal:
www.amazon.com/gp/product/B08...
Treal Brass Rear Inner Portal Cover Housing and Portal Drive Axle Mounts:
www.amazon.com/gp/product/B07...
XUNJIAJIE Heavy Duty Brass Steering Portal Gear Cover:
www.amazon.de/gp/product/B07P...