For triathlon and time trial bikes, Shimano DURA-ACE SL-BS79 bar end shifters deliver precision shifting with a sleek, aerodynamic design. - The right-side/rear shifter is 10-Speed, index-only - Left-side/front is 2/3-Speed - Mount Type: Bar End, Downtube

Shimano's Tiagra Rapidfire Plus Shift Levers offer smooth, easy shifting for bikes with flat bars. The triggers are ergonomically positioned for easy, quick gear changes. Large, visible gear indicators make sure you always know what gear you're in.