I have a Terratrike Cruiser that I bought for my wife last summer (that she's only put on herself, maybe a mile and a half. The bike is in MINT condition, (one scuff mark on right inside arm of crank, has all brand new tires, aluminum rear rack, bar end shifters, and a Trek computer.
I have currently an xtra short boom on the front, but still have the medium boom that was on it when I bought it. The xtra short boom will fit x-seams from 34.5 - 39", and the medium boom will fit x-seams from 38.5 - 43". The bike comes with both booms. Ask for pics if needed. Prefer pickup if possible.