THE XKR's 18-inch cast alloy wheels are both imposing and elegant, featuring a unique 10-spoke design. The "XKR with R features" model is fitted with BBS alloy wheels, Brembo brakes and a handling package. The BBS modular alloy wheels are the largest ever fitted to a production Jaguar - 20 x 9-inch inch at the front and 20 x 10-inch at the rear.