Riders have been asking for a tyre that can enhance speed while giving them confidence while cornering lowering the centre tread for high speed yet keeping plenty of knob edges for secure braking gets you to the bottom first much taller side knobs give confident cornering traction proper for rear usage but can be ridden as a front also we introduce the slaughtercasing 60 tpi dual plybead wirecompound base 70a top 42apinch protection butyl inserts at bead650b x 23 psi 25 50