Shimano Ultegra Di2 R8170 Shifter ST-R8170
- High performance Ultegra wireless hydraulic servo wave disc brake Di2 sti's give you control, modulation and power with minimal effort in all riding conditions
- wireless connectivity to the front and rear derailleurs for effortless trouble free gear shifts
- with Di2 technology shifting is easy and precise - just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously select the correct gear
- full and semi synchronized shifting programable, synchro shift compatible meaning a single shifter can control both front and rear shifting which can be fully custom tuned to your riding preferences. Semi synchronized shifting means when a front shift is made the rear mech will automatically correct to the appropriate ratio
- simply pressing tactile buttons allows effortless and comfortable shifting even when your hands are cold
- drop bar sti with shift buttons located in a near identical place to the positions you'd assume shifting using a mechanical Shimano sti
- hydraulic brake lever with servo wave provides excellent stopping power with less effort especially from the hood position
- hydraulic reservoir tank provides pad to rotor clearance auto-adjust maintaining braking performance during pad wear
- finely tuneable reach adjusters for the levers enable custom fitment for all hands
- levers use cr1632 batteries which last for approximately 1.5-2 years
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Shipping & Returns

Shimano Ultegra Di2 R8170 Shifter ST-R8170
Shimano Ultegra Di2 R8170 Shifter ST-R8170
- High performance Ultegra wireless hydraulic servo wave disc brake Di2 sti's give you control, modulation and power with minimal effort in all riding conditions
- wireless connectivity to the front and rear derailleurs for effortless trouble free gear shifts
- with Di2 technology shifting is easy and precise - just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously select the correct gear
- full and semi synchronized shifting programable, synchro shift compatible meaning a single shifter can control both front and rear shifting which can be fully custom tuned to your riding preferences. Semi synchronized shifting means when a front shift is made the rear mech will automatically correct to the appropriate ratio
- simply pressing tactile buttons allows effortless and comfortable shifting even when your hands are cold
- drop bar sti with shift buttons located in a near identical place to the positions you'd assume shifting using a mechanical Shimano sti
- hydraulic brake lever with servo wave provides excellent stopping power with less effort especially from the hood position
- hydraulic reservoir tank provides pad to rotor clearance auto-adjust maintaining braking performance during pad wear
- finely tuneable reach adjusters for the levers enable custom fitment for all hands
- levers use cr1632 batteries which last for approximately 1.5-2 years
Original: $476.24
-65%$476.24
$166.68Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
- High performance Ultegra wireless hydraulic servo wave disc brake Di2 sti's give you control, modulation and power with minimal effort in all riding conditions
- wireless connectivity to the front and rear derailleurs for effortless trouble free gear shifts
- with Di2 technology shifting is easy and precise - just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously select the correct gear
- full and semi synchronized shifting programable, synchro shift compatible meaning a single shifter can control both front and rear shifting which can be fully custom tuned to your riding preferences. Semi synchronized shifting means when a front shift is made the rear mech will automatically correct to the appropriate ratio
- simply pressing tactile buttons allows effortless and comfortable shifting even when your hands are cold
- drop bar sti with shift buttons located in a near identical place to the positions you'd assume shifting using a mechanical Shimano sti
- hydraulic brake lever with servo wave provides excellent stopping power with less effort especially from the hood position
- hydraulic reservoir tank provides pad to rotor clearance auto-adjust maintaining braking performance during pad wear
- finely tuneable reach adjusters for the levers enable custom fitment for all hands
- levers use cr1632 batteries which last for approximately 1.5-2 years











