Hayes D-Series Rotor DMZ The redesigned Shimano Ultegra Di2

The redesigned Shimano Ultegra Di2 ST-R8170 12 Speed Shifter and Flat Mount Caliper has all-new ergonomics

When weight and storage in your pocket or saddlebag is important for you

Usage bikesport: E-Bike

the water bottle ensures a unidirectional stream of liquid and a high flow rate of 47 ml/second

Shimano 105 BR-5800 R55C4 road caliper brake shoe set for aluminium rims

Hayes D-Series Rotor DMZ The redesigned Shimano Ultegra Di2Developed to work specifically with our Dominion platform, the D Series rotor offers superior braking performance without any annoying howls or vibrations. Features MRC (Modal Resonance Cancelation) cancels out noise and vibration via FEA optimized modal shapes cut into the rotor1. 95 mm material thickness enhances heat dissipationQuickBite provides the shortest path to high performance through fast and consistent burnishing Mfr Claimed Weight TBC