Stiff carbon composite outsole and TPU tread

We've designed a fresh cup forging for a high-end look

As the conditions seem anything but optimal

One cartridge fills 26 x 4

SHIMANO PRO Internal Routing Headset Hub Stiff carbon composite outsole andThe PRO Internal Routing Headset allows for the seamless internal routing of shift wires and brake hoses to complete the sleek aesthetic provided by PRO Vibe Handlebars, Stem, and integrated cockpits. Not only does the PRO Internal Routing Headset help make your bike look neat and fast; but in combination with PROs Vibe, and other cockpits compatible with internal routing, it helps make your bike look as fast as it feels.