PR V4R FM retains the main elements of the V3R. With the V4R,
we have added more chassis flex options and quick adjustment design concepts.
Battery Mounting: A change was made to the mounting arm system, which
increase chassis flex and also keeps the battery retainment method of
the V3..
Black long-sleeved(Hoodie) cotton T-shirt-XL*****NOTE: These have been running very small, in many cases 2 sizes smaller than US sizes. Please keep that in mind. So if you normally wear a L, then order the 2xl*****..