A crowd of 26,387 are expected to watch the game, which kicks off at 21h30 on Thursday evening and will be broadcast live on SuperSport.
Joyce partners Joe Batley in the engine room, with Yann Thomas, Bryan Byrne and Max Lahiff getting the nod in the front row for the hosts, coached by experienced former Samoan international Pat Lam.
Magnus Bradbury switches to blindside in a dynamic back-row alongside Jake Heenan and Fitz Harding, with Will Porter and Callum Sheedy named at half back.
Sam Bedlow and Piers O’Conor combine in the midfield, with Gabriel Ibitoye and Deago Bailey joining Luke Morahan in an electric back three.
Bristol Bears: 15 Luke Morahan, 14 Deago Bailey, 13 Piers O’Conor, 12 Sam Bedlow, 11 Gabriel Ibitoye, 10 Callum Sheedy, 9 Will Porter; 8 Fitz Harding, 7 Jake Heenan, 6 Magnus Bradbury, 5 Joe Batley, 4 Joe Joyce (captain), 3 Max Lahiff, 2 Bryan Byrne, 1 Yann Thomas. Replacements: 16 Harry Thacker, 17 Jake Woolmore, 18 Jonathan Benz-Salomon, 19 John Hawkins, 20 Sam Lewis, 21 Andy Uren, 22 Joe Jenkins, 23 Rich Lane.