Product details:

The Butcher tire has a zigzag knurling on the knobs to increase stability under load and to improve grip. This increases inertia as well as aiding control when braking and cornering. The GRID GRAVITY carcass with two-fold construction provides cornering stability and extreme puncture protection. The new T9 GRIPTON compound is perfect for cushioning, with a measured return to adhesion and grip for maximum traction and perfect control. 60 TPI double fold casing Foldable headband. 2LTR T9 compound. 29x2.3, psi 25-50, indicative weight 1300g.Casing: 60 TPI, Dual-Ply.
Bead: Foldable.
Butyl wrapped bead = 2Bliss Ready.