Used several times, no problems. Most of the time cheaper than bike flights by around 20%. On a couple of occasions I’ve had “shipping label unreadable, label replaced” - each time at the transfer center in Frederick MD. I called ship bikes about one of those times and they were helpful and responsive. BTW I think the shipping label replacement is a local tactic by that center to keep up with their metrics.
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N = '96 Colnago C40, '04 Wilier Alpe D'Huez, '10 Colnago EPS, '85 Merckx Pro, '89 Merckx Century, '86 Tommasini Professional, '04 Teschner Aero FX Pro, '05 Alan Carbon Cross, '86 De Rosa Professional, '95 Gios Compact Pro, '95 Carrera Zeus, ‘81 Masi Gran Criterium, ‘81 Merckx Pro, ‘89 Cinelli Supercorsa, ‘83 Bianchi Specialissima, ‘VO Randonneur, Ritchey Breakaway Steel, Rivendell Rambouillet, Heron Randonneur, ‘92 Ciöcc Columbus EL