WTB Nano TCS Light 29 Mountain Tire. WTB kicked off the 29er revolution with its Nano tire, the first 29 tire made, and its tried and true tread pattern lives on to this day. This particular edition, the Nano TCS Light 29er, adds some more technology that adds up to an even more stellar performance. TCS stands for Tubeless Compatible System so you can get all the performance advantages of a tubeless set up. There's also WTB's Light casing which reduces rotating mass and contributes to a supple ride. The Nano's micro knob design and large casing conquer rough race courses and roll with the punches on long trail rides. The elevated centerline tread rolls quickly on asphalt and hardpack while the numerous working edges track predictably in dust over crust conditions.
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