Other fast men in the race noted to be contenders in the flat stages included two-time points classification winner Bettini, Danilo Napolitano, and Graeme Brown.
Graeme Brown won the points classification category and Ryan Cox won the mountains classification category.
Weyldant sprinted Graeme Brown and Robert Förster to take the stage win.
Cycling: Australia's Graeme Brown wins his fifth stage in the Tour de Langkawi.
He and Graeme Brown won a gold medal in the Men's Madison at the 2004 Summer Olympics.
He topped his victories by winning an Olympic gold medal in the madison cycling with Graeme Brown.
Graeme Brown, who works in the pattern department has decided to throw away his civvy clothes and don the uniform of the Royal Air Force.
Mima Graham, who has been with the company for 18 years and Graeme Brown, with 4 year's service.
Previous principals were John Shaw and Graeme Brown.
Graeme Brown, an Australian rider with the Dutch Rabobank team, won the stage.