WTB Nine Line Tire – 29 x 2.25 TCS Tubeless Folding Black Light/Fast Rolling Dual DNA. The Nine Line is the new-school approach to a top notch 29-inch specific lightweight race tire. Our global team of racers collaborated to make a tire 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.

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