aluminum hop up. epx pro

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iceman1

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has any replaced the rear hubs on the epx pro with the aluminum ones? if so the set screw that goes into the bottom of the hub, what size is that? the ones from the plastic are to big. thanks for any help!!
 
also is there any easy way to remove the bearing from the old hub without scaring them up?
 
take screws to hardware store or measure them with caliper but theres no way to not scar them its better if u take ur time and be patient so u don't make mistake and the bearing should not scar up to bad. some petroleum jelly or let grease sink in then they should not scar up
 
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