Head I-Speed 4.0 Ultegra Di2 Size:52 meaning the ability to independently

meaning the ability to independently manage the tension that builds up between the upper and lower parts

it offers maximum acceleration

The full front zipper allows you to easily control your body temperature

Brake lever: Shimano MT402

Head I-Speed 4.0 Ultegra Di2 Size:52 meaning the ability to independentlyHEAD I Speed 4. 0 The Pinnacle of Road Performance No compromises. Just pure speed. The HEAD I Speed 4. 0 represents the cutting edge of modern cycling technology. Designed for competitors and those who see cycling as a constant challenge against the clock, this bike combines the best of ultra high modulus carbon with Shimanos most advanced electronic shifting system. Carbonio TPR Ultra Light & Integrated Design The Carbonio TPR frame of the 4. 0