USE: Rally / XC SIZE 29''x 2.20 ETRTO 60-584 TPI 120 CASE SCT COMPOUND ST FOLDING Yes TUBELESS Yes WEIGHT 673g STC - SIDEWALL CASING TECHNOLOGY - A tubeless casing with an extra side protection, which adds an extra approximately 70 grams compared to the TR version. ST - TREAD SINGLE For whom You would not want to have to choose whether to return to an indoor XC is quick and light, or offer good traction? The new Booster combines the best of both worlds and is the best choice if you are looking for the perfect cover to compete with a wide range of use: s and predictable behavior. Strengths Redesigned tread: modern and aggressive style, optimized for rolling fast and offer an unbeatable cornering traction. New compound to compete: the Booster uses a newly developed compound is very fast and especially in dry land grabs, hard, loose and rocky. Is presented with two different housings: the TR version is the lighter of the two, ideal for racing, while the SCT version incorporates a lateral protection to increase reliability antipinchazos Tubeless ready.