The specialized tracer pro 2br 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 this specialized cyclocross tyre is lightweight making it easy to accelerate the 2bliss ready design means you39ll be able to run lower pressures for increased comfort traction and control through slippery corners specialized tracer pro 2br tyre features