ARX540開箱照

wellcome to the arx family.  hehe.  The battery is easy.  just open the bottom cover and push it up into the chassis.  

no the bearing and shaft inside the green part.  as normal version use longer shaft.  But pro version use shorter shaft.  But pro version will fit the normal version.  You just need to use the stock plastic shaft.  cut small piece and use it as a spacer.  no big deal.  

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If you plan to run on small track must buy item.  

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look good, green with yellow sticker.  

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the new driver look much better than the white one.  

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yes, it will be tight as the newer bikes use a one-way bearing for the gyro.  But make sure the one-way was installed correctly wor.