Hope this helpful to you!!
*i drilled two 3mm holes in the chassis for front end of lipo
*HN alloy deck posts x4
*3mmx1.0cm flat head screw x4
*3mmx1.5cm screw/washer x4
*SQS carbon lipo tray straps x2
*align (HZ022)skid rubber..
it can hold 6000mah packs sturdy and makes a more firm chasis~!!
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1.T9Z,ff9,3pk
2.sceadu 50 ccpm/hurrican550/MINI TITAN350
3.DF-03/SB PRO/xxx-CR/B-MAX4 
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