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Condor Cycles£104.99Visit shop Shimano Ultegra Sw-Rs801-S Sprinter Switches For Drop Bars, E-Tube With Wire
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The Shimano Ultegra SW-RS801-S Sprinter Switches are designed for cyclists seeking rapid and precise gear changes, especially when riding in the drops. Utilizing Di2 electronic shifting, these switches offer a "mouse click" feel for instant front or rear derailleur engagement, replacing traditional mechanical cables with reliable electrical wires to prevent contamination and stretching. While they provide a significant advantage for aggressive riding and group dynamics, users should be aware that they are an addition to an existing Di2 system and require compatible components.
| Model Part Number | SWRS801S |
|---|---|
| Brand | SHIMANO |
The main advantage is the ability to perform quick and precise gear changes with a simple thumb tap while riding in the drops, offering enhanced control and efficiency during aggressive riding, sprinting, or descending.
No, these are additional 'sprinter' switches designed to be mounted on the handlebars, typically in the drops. They work in conjunction with your primary brake/shift levers.
No, these sprinter switches are exclusively designed for Shimano's Di2 electronic shifting systems. They cannot be used with mechanical (cable-actuated) groupsets.
Your bike must be equipped with a Shimano Di2 electronic shifting system, including compatible derailleurs, shifters, and a power source (battery). It's best to consult your bike's specifications or a qualified bike mechanic.
Installation involves connecting the switches to the Di2 system's E-TUBE wiring and potentially configuring button functions via software. While straightforward for those familiar with Di2, professional installation is recommended if you are unsure.
These electronic switches require minimal maintenance. Keep them clean with a damp cloth and ensure the wiring connections are secure. Unlike mechanical systems, there is no need for cable lubrication or tension adjustment.
Yes, using Shimano's E-TUBE software or app, you can typically customize the button assignments to control front or rear derailleur shifting as desired.
Verify that the switch is correctly connected to the Di2 junction box. Check the E-TUBE wiring for any damage. Ensure the Di2 system battery is charged. Use the E-TUBE application to confirm button assignments and system communication.
Inspect all Di2 wiring connections for proper seating and cleanliness. Ensure the derailleurs are correctly indexed and that there are no physical obstructions. A firmware update for the Di2 components via the E-TUBE application may resolve issues.
Consult the Shimano Di2 service manual or use the E-TUBE application to diagnose the specific error code. Common solutions involve checking wire connections and ensuring all components are compatible and updated.
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