• Bar-end shifter for TT/Triathlon aerobars
• Single-button switch on each side
• Customizeable operation, can actuate both derailleurs
• Plugs in the satellite switch port of shifters/brake levers for drop bars (ST-R9150, ST-R9170) or TT bar (ST-R9160, ST-R9180)
• e-Tube cables not included