A touch of wheels saw Andy Tennant, Sam Harrison and Joe Kelly hit the deck at the Chris Hoy Velodrome. Owain Doull was the only rider to stay upright.
"We were holding a good schedule," coach Chris Newton said "Whether there was a minute slowing with rider one (Doull) it's too early to assess. We'll look at the data."
Denmark will ride against Germany in the gold medal final later on Friday evening.
The women fared better as they reached the their final.
Dani King lost Laura Trott's wheel but the duo, plus Welsh teenager Elinor Barker - who replaces the ill Joanna Rowsell from the team that won gold at London 2012 - did enough to qualify second fastest behind Australia.
Great Britain's Jess Varnish and Becky James were fastest in qualifying for the women's team sprint with 33.526 seconds. They will ride against Spain in the final tonight.
Philip Hindes, Jason Kenny and Ed Clancy, replacing Hoy from the Olympic squad, were second fastest in the men's team sprint qualifiers. Their time of 44.134s was over half a second slower than their opponents Germany (43.790s).
And young Brits Simon Yates and Jon Mould were amongst the 10 qualifiers for the men's scratch race final later tonight.
Olivier Beer (Switzerland) leads the men's omnium after two events with GB's Jon Dibben ninth.