Sterling Davis's men were out-scored 30-10 in a frenetic spell as their hosts took a 45-28 half-time lead which won them the game.
Meanwhile, Rocks centre Randall Hanke has urged Great Britain coach Chris Finch to considering bringing team-mate Rob Yanders into his squad for the summer's Eurobasket qualifiers.
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Hide AdAmerican-born Yanders is set to qualify to represent GB after becoming a British citizen.