Mavic crossmax quest xl mtb tyrecrossmax quest xl is the perfect fit for any all mountain rear wheel with a rounder profile more small knobs and a brand new dual compound tread 5040 x mix it offers a great mix of rolling efficiency traction and cornering grip the harder compound on the rolling tread also makes it more durable and resistant to aggressive braking just like the matching front tyre crossmax charge xl this rear specific crossmax quest xl uses a guard2 dual ply and ust