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increases bump-sensitivity and traction
Brake compatibility: Disc
with full and semi synchronised modes providing two different ways to automatically ensure that optimal cadence is maintained
For those shorter
Shimano ST-R7170 105 Di2 Hydraulic Disc STI Shifter / Brake Set Mount Type_Direct increases bump-sensitivity and tractionShimano ST R7170 105 Di2 Hydraulic Disc STI Shifter Brake Set Shimanos latest electronic Di2 105 shifters communicate wirelessly with the frames derailleur and battery system, making fitting easier and the front end cleaner. Although the levers are in exactly the same place as with the mechanical STI units, all that is needed to switch chainrings is a light press on the lever for an instant change. When a different sprocket is selected at the rear,
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