RPM Rear A-arms for the ARRMA Big Rock, Senton & Granite 4x4s 1/30 Scale When the handle is rotated

When the handle is rotated

Adjustable servo mounting system allows a wide range of servos to be used

Ford® Mustang GT

15sec / 208oz @ 6V

menacing flat front grill with large flat panel style fender flares just like the real truck

RPM Rear A-arms for the ARRMA Big Rock, Senton & Granite 4x4s 1/30 Scale When the handle is rotatedRPM Rear A arms for the ARRMA Big Rock, Senton & Granite 4x4s 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, adding