The baby limus 33 team edition tubular cyclocross 700c tyre from challenge is a fresh new design for 2015 it features limus outer knobs to give good traction in the bends and lower faster centre line knobs for a more all around use the wide tread spacing gives good dirt and mud clearance the perfect formula for winners the team edition uses a corespun cotton casing instead of the superpoly casing found in the standard models available in blackwhite ring in 700 x 33c