90 [[Wind of Ages]] on a horseshoe or saddle will increase the speed by 0.72km/h
If a horseshoe or the saddle is [[rare]], that will increase the speed by 0.72km/h (?)
If a saddle horseshoe is [[raresupreme]], that will increase the speed by 01.72km44km/h
Thus a horse with 4 x 90ql horseshoes, a 90ql saddle and 90 WoA on them all will get a speed bonus of 7.2km/h