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Merlin Cycles£12.99Visit shop Ritchey Black Di2 Battery Rubber Mount Kit - / Over 27.2Mm
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The Ritchey Di2 Battery Rubber Mount Kit is an essential component for cyclists looking to clean up their bike's aesthetic by concealing their electronic shifting battery inside the seatpost. Designed for riders using Shimano Di2 systems, this mount provides a vibration-free and secure fit for the internal battery. It is specifically engineered for seatposts with a diameter of up to 27.2mm, so owners of larger seatposts will need a different version of this kit.
| Model Part Number | RT41003817003 |
|---|---|
| Brand | Ritchey |
No, the kit includes the rubber mount only. The Di2 battery must be purchased separately.
No, this version is for 27.2mm or smaller. You will need the Ritchey Di2 Battery Rubber Mount Kit for over 27.2mm.
It is designed for standard internal Shimano Di2 battery shapes. Consult your battery manual to ensure compatibility.
No tools are required, though you may need a hex key to remove your seatpost from the frame.
You will need to remove the seatpost from the frame to access the charging port on the battery.
Ensure the mount is fully pushed into the seatpost to create a snug friction fit.
Verify that your seatpost is exactly 27.2mm; some seatposts have internal reinforcing ridges that may require slight adjustment.
To install, first attach your Shimano Di2 battery to the rubber mount by sliding it into the molded grooves until secure. Carefully insert the entire assembly into the bottom opening of your seatpost. Ensure the seatpost diameter is 27.2mm or smaller to avoid a loose fit. If you are using a post larger than 27.2mm, you must use the alternative Ritchey kit intended for larger diameters. For maintenance, check the mount whenever you service your seatpost; if the rubber appears cracked or loose, it should be replaced to prevent the battery from slipping further into the frame.
