Cut the cables.
The Shimano R671 Di2 Remote TT Shifter Set are non-series Di2 shifters designed specifically for triathletes or Time Trial specialists. With an ingenious two-button interface and a sleek, aerodynamic design, the R671 is an easy choice for those looking for hassle-free, friction-free shifting. Achieve smooth, consistent, reliable shifting without the hassle of cable maintenance and worrying about replacing cables prior to a race.
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