I've always thought that the rear of the first series of Aeros was similar to the Mantula. I think I recall being told there was some designer link between the two, but I may have imagined that.

"Y mae dafad ddu ym mhob praidd"
1972 4/4, 1981 MGBGT, 1984 FLHT1340, 1980 XLH1000, 1990 ZX10