ˈɑːptɛɹ bˈeɪst ðɪ ɚɹˈɪdʒɪnəl dɪzˈaɪn ɔnðɪ ˌɛmsˌiːdˈʌbəljˌuː mˈɛtɹoːɹˌaɪdɚɹ ˈæftɚɹ ɪt bˈɔːt ðə ɹˈaɪts fɹʌm mˈɛtɹoʊ kˈæmɛl wˈeɪmən ˈæftɚ ðə lˈæɾɚ dᵻsˈaɪdᵻd tə sˈiːs pɹədˈʌkʃən.
Optare based the original design on the MCW Metrorider after it bought the rights from Metro Cammell Weymann after the latter decided to cease production.