Shimano Ultegra BR-R8070 Front Flat Mount Brake Caliper Wheel Brand_Princeton Carbonworks A BioViz logo near the

A BioViz logo near the elbow adds reflectivity in low-light conditions

Delivers extremely high performance levels and durability over time

Boa Li2 closure generates more power with a secure

improved air retention and overall greater flexibility

Praxis rings

Shimano Ultegra BR-R8070 Front Flat Mount Brake Caliper Wheel Brand_Princeton Carbonworks A BioViz logo near theDesigned to integrate seamlessly with a road bike's profileBetter heat dispersion than current road disc systems (SM RT800)Greater rider control in all conditionsFlat mount hydraulic typeHydraulic disc brake provides the next stage of controlNew construction provides better heat management than current ICE TECHNOLOGIES FREEZASleek integration into a road bike's aero profile SERIES Ultegra GENERATION Ultegra Di2 R8070 CALIPER MATERIAL Aluminum CABLE OR