The MA Chassis is Light Gray ABS

race-ready ESC

Height: 20mm

interior depictions of headlights

The diff case and inserts were tooled for the ultimate in precision

RPM R/C Products - Front A-Arms for ARRMA Big Rock, Senton and Granite 4x4's HPI114343 The MA Chassis is LightRPM A arms for the 4x4 3S BLX 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: RPM has added a second shock mount to both front and rear A arms to the outside of the stock shock mount, adding adjustability and improving trackability. RPM's outer shock