RPM Rear A-arms for the ARRMA Big Rock, Senton & Granite 4x4s upgrade Requires: ESC

Requires: ESC

Three drive profiles Sport Mode - forward / brake / reverse

PRM158200 | 2021 Ford® Mustang Clear Body for ARRMA® Vendetta™ & Infraction™ 570 MEGA (requires ARA320357 Body Posts)

7" (196 mm)

Adjustable steering and throttle sensitivity (exponential)

RPM Rear A-arms for the ARRMA Big Rock, Senton & Granite 4x4s upgrade Requires: ESCSuper tough RPM rear arms that fit many Arrma 3s and Mega vehicles. RPM A arms for the 4x4 versions of the Granite, Senton & Big Rock are the answer to the questions you didn't know you had. Are you looking for more adjustability? Check! How about better durability? Got that covered too. How about lightweight? Yup, no problem! Adjustability: We've added a second shock mount to both our front and rear A arms to the outside of the stock shock mount,