The key to smooth, friction-free running is in the end trucks.
G-Rail™ end trucks are rigid, as opposed to articulating, that is,
bridge cannot skew with respect to the runways. This means that
the whole bridge moves along evenly, with less “pendulum effect”.
Our end trucks are machined from aluminum, not welded, making
them very accurate and square-fitting, which eliminates the
possibility of binding. Notice the size of the guide wheels at either
end, which reduces friction further.