The purgatory is the standard bearer for all mountain tyre performance by applying fe analysis to the purgatory we39ve optimised the tread to result in a faster grippier tyre for any all mountain excursiongt casing 420d1 for 15 improved cut resistancegt bead foldablegt butyl wrapped bead 2bliss readygt centre compound 60a shoulder compound 50agt 26quot x 23 psi 35 65 approximate weight 730ggt 29quot x 23 psi 35 65 approximate weight 795g