RPM A-arms for 4S BLX versions of the ARRMA Kraton & Outcast are designed primary for strength and durability but they've added a few extra features in as well

Red Aluminum Fixed Link Steering Rod

Its designation "R" stood for racing

Width: 100mm

XXX Main Racing - Touring Car Chassis Setup Guide Electric Motors Brushed Motor RPM A-arms for 4S BLXThere is no titanium or exotic aluminum hop up that can replace knowledge. Knowing the theory behind why a chassis is acting a certain way is priceless. That is why XXX Main developed a book that steps you through every aspect of radio control car chassis setup. An information packed read that will explain complex chassis.