The tracer pro 2bliss ready tire has a fast tread for all around cyclocross riding and racing this tread covers all courses with center knobs to provide ample traction and siped shoulder knobs that adapt to hard and loose ground the tracer is lightweight making it easy to accelerate and with 2bliss ready design you39ll be able to run lower pressures for increased comfort traction and control through slippery cornerscasing 60 tpibead foldablebutyl wrapped bead 2bliss readycompound gri