Nine line tcs light fast rolling the nine line is the new school approach to a top notch 29 inch specific lightweight race tyre wtb39s global team of racers collaborated to make a tyre with the ability to accelerate and roll like no other its micro square knob tread design and supple casing provide impressive traction to keep you in control while you haul the mail tubeless compatible system tcs tubeless compatible system standards driven system designed around tubeless bead shapes and