Shimano Ultegra Di2 SW-R671 Remote Triathlon Shifter (Two-Button)
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SHIMANO R671 DI2 REMOTE TRIATHLON SHIFTER (TWO-BUTTON)
No need for time triallists and triathletes to choose a shifter position - with Di2 multiple shift controls are possible. Use Dual Control levers on the base bars and satellite controls on aero extensions. The controls work together - shift from base bars or in the aero position, instantly.
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