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The ARRMA Kraton 8S is 26 lbs. (12kg. ) of high-flying, dirt shredding, jump-killing fun! If your Aarms aren-t up to the abuse this massive monster can dish out, look no further than RPM. Our replacement rear A-arms are designed with the backyard basher in mind and can handle some serious abuse and come back for more. The rear A-arms have a triple beam style construction designed to spread impact energy across all three beams. Each beam-s cross-section is a whopping 5/8- (15.8mm) tall x 3/8- (9.5mm) wide. These massive beams reduce unwanted flex during normal suspension movement, yet allow impact-absorption during those not-so-perfect landings and crashes. We also moved the inner cross brace away from the chassis, eliminating the droop stop entirely. While this may seem counter-intuitive, our test truck-s chassis was bent at the droop stops, clearly illustrating that extreme impacts were too much for the chassis plate to handle. After all, there-s nothing worse than a bent chassis.
