microSHIFT BS-A12 Bar End Road Shifter Set - 2x 12-Speed, Shimano 12-Speed Road Compatible, Black Liv The Factor O2's aerodynamic tube

The Factor O2's aerodynamic tube shapes and integrated components reflected a commitment to maximizing efficiency and reducing wind resistance

Outfitted with SRAM’s Rival eTap AXS wireless electronic groupset

With its aggressive geometry and responsive ride quality

Whether your goal is to escape on gravel back roads

microSHIFT BS-A12 Bar End Road Shifter Set - 2x 12-Speed, Shimano 12-Speed Road Compatible, Black Liv The Factor O2's aerodynamic tubemicroSHIFT bar end shifters are the simplest, most reliable way to shift on a drop bar bike. With adjustable shifting tension and few moving parts, these shifters deliver unprecedented reliability, adjustability, and flexibility in case of mechanical issues. Perfect for touring every corner of planet Earth or riding around with your friends. Or both!