This is the #1 tire choice for Tour Dividethe longest mountain bikerace in the world stretching from Canada to Mexico along the Rockies. It features an elevated centerline that rolls effortlessly on hardsurfacesnumerous micro knob working edges providing lateral tractionand predictability. Tubeless Compatible System TCS allows the tire to be run tubelesswhen properly equipped. Dual DNA compound. 6 TPI685g This Is The #1 Tire Choice For Tour Dividethe Longest Mountain Bikerace In The World Stretching From It Features An Elevated Centerline That Rolls Effortlessly On Hardsurfacesnumerous Micro Knob Workin Tubeless Compatible System Tcs Allows The Tire To Be Run Tubelesswhen Properly Equipped Dual Dna Compound 60 Tpi685G