Dura-Ace SL-BS77 Double/Triple 9-Speed Bar End Shift Levers

The Shimano Dura - Ace SL - BS77 Shift Levers are a top - notch choice for road cyclists. These 9 - speed bar end shifters are available in both double and triple configurations. The right lever is friction - compatible, offering smooth and reliable shifting. All bar - end road shifters produced after November 2008 have an I.D. spec fit range of 19 - 22mm, ensuring a proper fit on various handlebars. They are compatible with Shimano road rear and front derailleurs, and can be mounted either at the bar end or on the downtube. With an end type suitable for Shimano and SRAM, these shifters provide great versatility for your bike setup.

Using these Shimano Dura - Ace SL - BS77 Shift Levers is easy. First, make sure they are properly mounted either at the bar end or on the downtube according to your preference. When you want to shift gears, simply use the right lever for smooth and precise shifting. Since it's friction - compatible, you can adjust the shifting as needed. As for the fit, check the I.D. spec range of 19 - 22mm to ensure it fits your handlebars. When it comes to maintenance, keep the shifters clean by wiping them with a dry cloth regularly. Avoid exposing them to extreme moisture or dirt. If you notice any issues with shifting, you can lubricate the moving parts gently with a bike - specific lubricant. But be careful not to over - lubricate as it may attract dirt and cause more problems.