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.
B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.