Direction Kunckle L / R (métal) (2pcs / sac) - Turnigy Trailblazer 1/8
This part is great. You can find a hopup on the internets, but you don't need that. Just make sure you use loctite on the screws. I didn't do that, so I needed replacement. Also, don't overtighten the screws, since they touch the bearings then and prevent smooth movement. They run really smooth, no excess play on the movement and really strong. Had some trouble fixing the bearings, though. They are quite tight. Fixed a wheel and tightened the wheelnut to pull in the bearings, so no problem here.