Great Britain's Jason Kenny won a silver medal in the men's individual sprint at the UCI Track Cycling World Cup in Guadalajara, Mexico.
The triple Olympic champion, 26, who won team sprint gold on Saturday, was beaten 2-0 in the best-of-three final by Australia's Matthew Glaetzer.
In the women's keirin, Jess Varnish was knocked out in the first round.
Britain also won women's team pursuit gold and men's team pursuit silver on Saturday to finish with four medals.
The next round of the UCI Track Cycling World Cup will take place in London between 5-7 December.