Yeah that's all well and good, except for the immutable fact that:
Maybe Artmic had something else in mind when they designed the Ride Armor, but the show is pretty clear on this. Hell, even the transformation line art shows the forearm armor just sort of....appearing on the riders arms, by sheer force of will.
And people who are worried about losing parts for their toys need to pick their stuff up off the carpet before mommy vacuums. You've been told I don't know how many times about this, don't make me say it again.