Modular multi-function platform: Enables quick attachment of tablets, phone mounts, hooks, and cup holders for versatile use
Tool-free installation: No bolts, adhesives, or tools required for assembly or removal, even during installation
Compact, low-profile design: Sits flush against the headrest without contacting seat trim for a clean look
Open-source design: Publicly available under Creative Commons for personal use and remixing
Durable ASA construction: Printed from ASA for superior UV resistance and temperature resilience up to 300°F
Summarized by Shop
Seat Back Attachment System for Rivian R1S & R1T
The OpenSourceEV Parts Seat Back Attachment System is a modular, multi-function mounting platform for the back of your Rivian R1S or R1T front seat headrest. Designed by Todd Stansell, manufactured and supported by OpenSourceEV, tested in Rivian vehicles, and built to handle real-world
Material
ASA plastic
Mounting Point
17mm ball mount (industry standard)
Standard Size
79mm top, 71mm bottom, 89mm tall
Large Size
92mm–102mm tall
Fits
20oz cans, most plastic bottles, 20oz+ insulated bottles, 40oz water bottles and mugs
Cable
12-inch braided charging cable (USB-C 60W or MFi certified Lightning)