tires 63.8mm front droop : 1.5mm over ride height Rear droop : 2.0mm over ride height 1.6 front top deck/ 1.6 rear split deck with bearing ( both made from cutting solid 1.6 top deck into split decks ) 20g between battery and servo mount. 10g between rear battery mount and rear T brace 20g plate under receiver 12g plate under battery in slot