Matt Maudsley has warned his Oxford Harlequins players that Chinnor will be a "very, very tough nut to crack" in tomorrow's main final (3.30pm).

But Quins' director of rugby also pledged they would not back off from the challenge of retaining the cup.

Quins are the only side to have beaten Chinnor in the league this season, but Maudsley says his men won't be favourites this time.

"Chinnor are very, very confident at the moment," said Maudsley.

"We have no doubt that this is going to be harder than the game in November.

"We are aware that they are at full strength.

"The good thing about them now is that they can play a full 15-man game.

"They are not only strong and experienced in the forwards, they also now have the full set of backs to play.

"They will be a very, very tough nut to crack.

"The Quins lads certainly won't back off.

"This cup is something that we will try and get out of our season.

"We had a few cards up our sleeves in the first game in terms of tactics.

"We are going to play them again in a fortnight and for them that's the most important game."

"The final is a game we look forward to. Saturday should be a good celebration of the partnership and our younger players."

One of these youngsters is Magdalen College School captain Nick Gardiner, 18, who is covering hooker and back row on the bench.

Maudsley said his selection was fairly simple with Tom Johnson and Anthony Jackson both away on holiday.

Neil Spottiswoode replaces Johnson at centre with Dave Payne returning in the second row.

Chinnor make two changes from the team that crushed Weston-super-Mare 39-0 last week.

Paddy Stennings replaces Alan Cawston (cricket tour) at hooker, while Ed Rixon is preferred to Adam Hastings in the back row.

Rixon starts at No 8 with Andrew McGuire and Zane Winslade shifting round a position.

Chinnor coach Jason Bowers said: "The way we played last week against Weston sets us up well for Saturday."

Captain Matt Hutchings and Sam Black have formed an impressive lineout duo in recent matches and this is an area Chinnor will look to dominate.

Added interest is provided by in-form scrum half Owen Gustafson, who lifted the cup last year as Quins skipper.

Gustafson will need to be at his sharpest if he is to win his duel with Quins No 9 Anthony Cope.

Oxford Harlequins: H Jones, Noyce, Wilson, Spottiswoode, Davies, F Jones, A Cope (capt), Aldous, Needham, DeLange, Payne, Eckert, Rowe, Gerber, Soper. Reps: Chadbone, Gardiner, Lynchsmith, Sewell, Robinson.

Chinnor: Huxford, O'Mahony, Powell, Oxley, Seymour, Cathcart, Gustafson, Winpenny, Stennings, Whelan, Hutchings (capt), Black, McGuire, Winslade, Rixon. Reps: Iosefo-Peni, Baker, Hastings, Williams, Price.