Kask Protone Icon Helmet Bike Accessories_Shock Pumps Electronic Shifting: The Ultegra Di2

Electronic Shifting: The Ultegra Di2 groupset features electronic shifting

Very easy to use

1 Patch Kit

Lower tire pressures and larger volume provides a compliant ride with fewer vibrations

plugs directly into USB ports & is designed to be exposed to the elements

Kask Protone Icon Helmet Bike Accessories_Shock Pumps Electronic Shifting: The Ultegra Di2The new synonym for victory, the Protone Icon helmet features the latest technological advances in safety, ventilation, and aerodynamics to make it an icon of road cycling. The Protone Icon takes its design from KASKs winning Protone helmet and has improved upon it in every way possible.