Shimano tiagra 4700 2x10sp flat bar shifter set the all new tiagra 4700 range from shimano sets a new quality benchmark which uses key technologies from shimanos higher end groupsets a new addition to the tiagra range is the flat bar shifter offering virtually effortless and accurate shifting the rapidfire plus system includes a two way release on the downshift this means you can push or pull the downshift lever to change gear the new tiagra range offers a great balance of performance and