Shimano 105 R7170 12sp Di2 Hydraulic Shifter + Caliper Choose:Right lights and electronic shifting

lights and electronic shifting

even under compression

HOLLOWGLIDE structure cuts weight yet maintains strength for better power transfer and quicker

CLAW BRUSH

Shimano 105 R7170 12sp Di2 Hydraulic Shifter + Caliper Choose:Right lights and electronic shiftingThe Shimano 105 Di2 groupset takes the best from the high end Dura Ace Di2 and Ultegra Di2, in a more cost efficient package, for precise, fast and reliable electronic shifting at an affordable price point. The ST R7170 shifters are powered by 2xCR1632 batteries and wirelessly control the rest of the groupset. They also feature wireless customization via the E Tube app and operate the powerful BR R7170 brake caliper, now with 10% wider pad clearance.