This special edition R-SPEC pro brushless remote controlled buggy comes with a range of special colour-coded parts and shell exclusive to the R-SPEC as follows: Blue front shocks Blue rear shocks Blue front shock tower Blue rear shock tower Blue front rims Blue rear rims Blue wing R-SPEC shell Blue central drive shaft Blue upper deckThis is an extremely fast model with adjustable pro setup for race enthusiasts. It has all the features and more that you would expect from a hobby grade model including aluminium oil filled shocks, working differentials, aluminium parts used where needed including aluminium central drive shaft, slipper clutch and advanced servo saverThe XSTR comes ready to run, all you require are 8 standard AA batteries for the 2.4GHz transmitter and you are ready to go.