. "Albert (Bert) Perrigo (1903\u20131985) was a British engineer who was a successful motorcycle trials rider before becoming Competition Manager for BSA motorcycles where his ideas influenced the design of many of their best selling motorcycles."@en . . "Perrigo, Bert"@en . . . "Albert"@en . . "Bert Perrigo"@en . . . "1985Z"^^ . "British motorcycle designer" . "1903Z"^^ . .