A Rivian test engineer has confirmed that R1 crossbars do not fit the R2's mounting pattern, according to posts from multiple Rivian owners who spoke with company representatives at recent events. The confirmation comes as Rivian's Gear Shop continues to sell R1 crossbars for $630 to $720 through a spring sale ending May 3, even though R1 owners represent the exact customer base most likely to purchase the company's new $48,000-and-up R2 SUV.
According to Jose Castillo from Rivian Tracker:
“It’s important to always note that the vehicles you see at the Rivian R2 Block Party are not final versions and so not everything will be intended for final release.”
The mounting points on the R1 and R2 roof racks look nearly identical in photos. But the physical reality, verified by both an employee at a Chicago R2 Block Party and a Rivian test engineer, is that the bars will not mount.
Employee Confirmed at Chicago R2 Block Party
Reddit user u/WODAMRAP posted to r/Rivian on April 25 that an employee at the Chicago R2 Block Party confirmed the incompatibility directly. When asked whether R1 crossbars, currently listed for sale in Rivian's Gear Shop, would fit the R2, the employee said no.
"I also asked if the R1 crossbars (since they are currently on sale in the Gear Shop) would fit on the R2 and was told no, they would not," u/WODAMRAP wrote in a follow-up comment on the RivianForums thread.
The Chicago event was one of several R2 Block Parties Rivian has held nationwide ahead of the R2's spring 2026 launch. These events are designed to let reservation holders and prospective buyers see the vehicle in person before deliveries begin.
Test Engineer Verified on Rev. 2 Vehicles
A separate confirmation came from a Rivian test engineer who is the neighbor of RivianForums member “95Stang”. The engineer tested R1 crossbars on Rivian's Rev. 2 pre-production test vehicles, the camo-wrapped units that were driven in public for hot- and cold-climate validation before production began.
"As of the Rev. 2 test vehicles they have been testing, the R1 crossbars do not fit the mounting pattern and will not physically go on," “95Stang” wrote in the same thread. "They tried them, thinking they would fit, and it was a no-go."
The engineer, who tests different vehicle systems and does not work specifically on accessory design, told his neighbor he had "no clue why they would make them different." The confirmation is significant because it comes from someone with direct hands-on access to pre-production hardware, not from a sales or marketing employee.
Rivian began building customer R2s at its Normal, Illinois, factory in April 2026. The first production vehicles rolled off the line this month, according to posts from Rivian employees and forum users who tracked VIN assignments.
Two Different Failure Modes
The incompatibility appears to stem from two separate design differences, according to owner analysis in the same thread.
Mounting pattern: The test engineer confirmed that the physical mounting pattern on the R2 roof is different enough that R1 crossbars "will not physically go on" despite the claw-like attachment points looking similar in photos.
Width: Reddit user u/FooF noted that the R2 is approximately four inches narrower than the R1S. Even when contracted to their minimum width, R1 crossbars are too long to fit between the R2's mounting points. u/dleepnw added that the issue is "not the mounting points that don't make it compatible, it's the width of the vehicles."
The dimensional gap is substantial. The R2 measures 75 inches wide without mirrors and 84.7 inches with mirrors, according to Rivian's official specifications reported by InsideEVs and Yahoo Autos. The R1S is 82 inches wide with mirrors folded, per RivianWave's comparison data. The 7-inch body-width difference means the R2's roof rail span is narrower than the R1 crossbars' minimum adjustable width.
A visual comparison posted to RivianForums by user @Hilbe on April 26 shows the R1 and R2 crossbar mounts side-by-side. The images reveal that while the general claw-like attachment shape is similar, the mounting surface geometry and depth differ enough to prevent physical attachment.
The Consumer Math
R1 Cargo Crossbars currently sell for $630 (light finish) or $720 (dark finish) on Rivian's Gear Shop, where they are marked down from $700 and $800 as part of a Spring Savings event running through May 3, 2026. The bars carry a 250-pound dynamic load capacity while driving and a 600-pound static capacity for parked rooftop tents. They are advertised as compatible with Yakima and Kuat mounting accessories.
The R2 starts at $48,490 for the Standard RWD Long Range trim and $57,990 for the Performance Launch Edition, per The Weekly Driver's April 2026 pricing roundup. The least expensive R1S starts at $78,885.
The price gap means many R2 buyers will be first-time Rivian owners. But a significant subset of the owners most likely to buy adventure accessories like crossbars are existing R1T and R1S owners who view the R2 as a second vehicle or a downsized replacement.
No Official Statement From Rivian
Rivian has not published any official guidance on R1-to-R2 accessory compatibility. The company's Gear Shop listing for R1 Cargo Crossbars makes no mention of R2 fitment. The product page states only that the bars are "Compatible with a range of Yakima and Kuat mounts" and lists R1T and R1S as supported vehicles.
Forum users note that Rivian representatives had previously suggested or implied that R1 accessories might carry over to the R2. Reddit user u/DuoRivian wrote that "at one of the viewing events Rivian was asked and they said not compatible. I had thought back in March 2024 unveiling that they said they would be (maybe I misremembered)." u/dleepnw added that "previously they were saying it would be compatible. Which is odd, either nobody checked, or they just assumed it would."
The disconnect between early impressions and final hardware is not unique to Rivian. Multiple forum users drew comparisons to Apple's history of charging adapter changes, with u/SDH commenting that the incompatibility feels like "a cynical way to make $?" u/Hillbilly countered that "If you own an R1 and buy an R2 and want crossbars, you can afford to buy a second set."
Production Under Pressure
The crossbar revelation comes at a critical moment for Rivian. The company began R2 production in April 2026 after a storm system tore through Normal, Illinois, on April 18, causing a partial cave-in of Building 2, the specific factory area dedicated to the R2 line, as reported by RivianWave.
Rivian had planned to begin Performance Launch Edition deliveries in spring 2026, followed by a Premium trim in late 2026 and the base Standard Long Range in approximately a year, per The Weekly Driver. The storm damage has raised questions about whether the production timeline will hold.
The R2 is also Rivian's first truly global vehicle, sized to navigate European streets where the R1S and R1T are too large. International rollout has been pushed to 2027 for Canada and an unannounced date for Europe.
Aftermarket Is the Workaround
For R1 owners who do upgrade to the R2, the aftermarket may provide a path to reuse their existing Yakima or Kuat roof-mounted gear even if the Rivian-branded crossbars themselves do not transfer. Rivian's R1 crossbars are designed around standard T-slot channels that accept third-party mounts. If the R2 uses a similar T-slot standard on its eventual crossbar offering, owners may be able to keep their bike racks, ski carriers, and cargo boxes while replacing only the bars themselves.
Whether Rivian will offer an R2-specific crossbar at launch remains unclear. A search of the Gear Shop on April 26, 2026, found no R2 crossbars listed for sale. The R2 accessory page currently shows only floor mats and charging equipment.
About The Author
Noah Washington is an automotive journalist based in Atlanta, Georgia, covering sports cars, luxury vehicles, and performance culture. His reporting focuses on explaining the engineering, design philosophy, and real-world ownership experience behind modern vehicles.
Noah has been immersed in the automotive world since his early teens, attending industry events and following the enthusiast communities that shape how cars are built and driven today. His work blends industry insight with enthusiastic storytelling, helping readers understand not just what a car is, but why it matters.
Noah is also a member of the Southeast Automotive Media Association (SAMA), a professional organization for automotive journalists and industry media in the Southeast.
His coverage regularly explores sports cars, luxury vehicles, and performance-driven segments of the automotive industry, including the evolving culture surrounding Formula Drift and enthusiast builds.
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