The deal includes a recall option for United in January.
Advertisement
Advertisement
Vitek recently signed a new deal with United to 2028.
On signing for the Robins, Vítek said: “I’m really excited, for me the Championship is a new level.
“More games is a big positive for me and I can’t wait to get to know all the players and staff better.”
Technical Director Brian Tinnion added: “We’re really pleased to secure the services of Radek as we strengthen the goalkeeping department for the upcoming campaign.
“He’s extremely well regarded at Manchester United and is a player we’re looking forward to working with.”