The tracer pro 2bliss ready tyre has a fast tread for all around cyclocross riding and racing this tread covers all courses with centre 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 youll be able to run lower pressures for increased comfort traction and control through slippery corners casing 60 tpi bead foldable butyl wrapped bead 2bliss ready compound