Lowe becomes the 11th player to join the Blues ranks this summer.BCFC
Lowe, 25, was a free agent after leaving Blackburn Rovers at the end of 2016/17 following their relegation from the Sky Bet Championship.
An ex-England Under-21 international, Lowe, who captained Rovers, predominantly plays as a holding midfielder but has also featured at right-back.
He recently spent a spell on trial with Premier League West Bromwich Albion.
Lowe, who was born in Wigan, began his professional career with Blackburn, where he made his first team debut in 2011.
He went on to make 196 appearances for Rovers and scored a solitary goal. Last term saw him figure 49 times.
Lowe becomes the 11th player to join the Blues ranks this summer and will wear 21.