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Reasons to Have a Tesla Tire Repair Kit and 2nd UMC

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I’ve been thinking about buying a few Tesla accessories for a while now and finally broke down and picked up the Tesla tire repair kit and second Universal Mobile Connector (UMC). Although these accessories are a far departure from other common upgrades (ie. FobPocket and Center Console CCI) that Tesla owners have been known to indulge in, I thought they were necessities for several reasons.

Having a 2nd Tesla Universal Mobile Connector (UMC)

Tesla-Charger-UMC

Tesla Universal Mobile Connector (UMC)

I work near the Tesla store in Natick, Massachusetts which offers two High Power Wall Connectors (HPWC) and four NEMA 14-50’s for use by Tesla owners. As one may expect the HPWC’s are in higher demand and, more often than not, are not available. While I have a lot less range anxiety these days, simply because I’ve gotten accustomed to my driving style and range capabilities of the vehicle, it’s still a great option to be able to charge for free, especially if it’s in walking distance from work.

ALSO SEE: Should You Leave Your Tesla Charger (UMC) Plugged In?

I’ve heard on many accounts that it’s not great for the NEMA 14-50 connector to be unplugged on daily basis as it causes wear on the plug itself. I suppose I can leave it plugged in all the time, but since I’m always on the go and never know know when I’ll need an extra charge, I broke down and bought a second UMC.

Forum users have suggested getting a HPWC for home as a way to keep your UMC truly mobile, but I decided against this for reasons as follows:

  • Buying a 2nd UMC is approximately $600 cheaper.
  • It’s nice to have a backup UMC especially on long road trips in the event one fails.
  • I don’t need the fast rate of charge provided by the HWPC so there’s not much value in paying the extra cost.

I feel a lot better about having a UMC with me at all times. One thing to note is that the 2nd UMC does not come with a second J1772 adapter and only comes with a NEMA 5-15 and NEMA 14-50 adapter.

Total cost, $700.

Tesla Tire Repair Kit

Tesla Tire Repair Kit

Tesla Tire Repair Kit

I really did not want to buy one of these. Trust me – I didn’t. Tesla only wants you to use their tire repair kit only in the event you can’t reach a Tesla Service Center within a reasonable amount of time. But if you’re in a pinch and Tesla Service is no where to be found. this device can come in pretty handy.

What pushed me over the edge is the fact that I have a slow leak in my right rear tire. I’m losing about 10 psi per week and it made me nervous enough about my (then) upcoming NJ road trip that I sprung for the device. In addition to fixing a flat by injecting sealant into the tire, it also acts as a regular tire inflator which I thought would give me some peace of mind especially with a leaky tire.

Other fix-a-flat type products on the market operate in the same fashion, but ultimately I went with the Tesla tire repair kit since the price difference was minimal.

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A couple things to note on the tire repair kit. I found it difficult to neatly wind the cables back onto the bottom of the device. I also found the metal around the pressure hose that connects to the tire valve to be poorly constructed (it doesn’t look like it will last long).

I had the opportunity to use the repair-kit, only to inflate the tire with air while on my Tesla road trip, and can say that it works great.

Summary

While the second UMC and Tire Repair kit were pricey additions to my Model S, I found them to be useful additions that help alleviate any anxieties with taking a long road trip. Tesla Motors is the only source for the UMC so you’re stuck eating that cost, but you may be able to save a few bucks on an aftermarket tire repair kit.

Tags: UMCroad trip

"Rob's passion is technology and gadgets. An engineer by profession and an executive and founder at several high tech startups Rob has a unique view on technology and some strong opinions. When he's not writing about Tesla

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Lifestyle

Tesla Cybertruck targets job site crews with new Tailgate Utility Track and Bed Gear Box accessory

Tesla launched a $350 tailgate track and a $985 lockable Bed Gear Box for Cybertruck.

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Tesla Cybertruck construction site

Tesla’s Cybertruck team added two more items to the Tesla Shop, targeting job site crews and owners who use the truck bed for actual work rather than just showing it off. The official Cybertruck X account posted the Tailgate Utility Track and the Bed Gear Box within minutes of each other, part of a five item batch that also included a reflective jacket, a spray paint hat and an updated reflective tee.

The Tailgate Utility Track runs $350 and turns the folded down tailgate into another mounting surface. It’s a single aluminum track with a T-slot for sliding accessories and two L-track attachment points, plus two load stops included in the box. The pitch is straightforward: strap down oversized cargo, like lumber or a cooler, that hangs off the back of the bed without it sliding out mid-drive. It bolts onto the existing tailgate and works on every Cybertruck trim.

The Bed Gear Box costs $985 and is a different kind of accessory. It’s a lockable aluminum storage box, 55.78 inches long, 19.8 inches wide and 7.79 inches tall, that mounts to the bed’s L-track rails and comes with two internal bins for smaller items. According to Tesla, at just over 57 pounds empty, it’s meant to stay in place rather than come in and out with each trip, giving owners a factory-fit alternative to loose totes for tools, recovery gear or emergency supplies. Tesla’s listing notes that Long Range and Dual Motor AWD Cybertrucks need the L-Tracks accessory installed separately before the Gear Box will mount, since L-tracks come standard only on certain configurations.

Tesla Cybertruck bed gear box accessory

Tesla Cybertruck bed gear box accessory

Both accessories lean on the idea Tesla has been building toward since Elon Musk first described the Cybertruck’s third-party attachment strategy at the 2023 shareholder meeting, when he said the truck would ship with mounting points so outside companies, and Tesla itself, could keep adding gear without redesigning the bed. That’s the same L-track backbone underneath the tailgate shield and jumpseats Tesla launched last year, and the off-road armor package that arrived through the same X account in 2025.

Owners looking to round out the rest of the L-track ecosystem, cargo dividers, MOLLE panels, bed racks and similar gear, can find a wider range of options through our Cybertruck accessories collection.

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Elon Musk says he knows how to save Earth for a billion years

Elon Musk says sentient AI satellites launched from the Moon could keep Earth livable forever.

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Elon Musk spent part of his weekend describing a plan to keep the planet livable for roughly a billion years, and it starts with satellites that can think for themselves.

In a post on X, Musk argued that swapping fossil fuels for solar and wind power will not be enough to protect humanity from what he called extremely severe extinction events, the kind that occur roughly every 100 million years. His fix is what he called sentient satellites, or solar-powered satellites, controlled by AI, that would sit in a fixed spot between Earth and the Sun after being launched off the Moon using a giant electromagnetic catapult instead of rockets.

The satellites’ onboard AI would make continuous, small adjustments rather than waiting on human instructions. The mass driver is Musk’s proposed way of getting the raw material there cheaply by using an electromagnetic launch track built on the Moon, where lower gravity and no atmosphere make it far easier to fling cargo into space than it is from Earth.

Musk shared a Grok generated estimate suggesting roughly 5 percent of Florida’s land, or about 1.68 million acres, could face regular flooding by 2070 under a high sea level rise scenario, and said humanity has about 50 years to act before coastal living looks very different than it does today.

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This is not the first time Musk has floated the idea. He raised a similar concept in November, describing a solar powered AI satellite constellation that could make tiny adjustments to incoming sunlight to fine tune Earth’s temperature. Musk has also tied planetary risk to his broader vision at SpaceX, where his compensation package is explicitly linked to establishing a self-sustaining Mars colony, one he has described as an insurance policy against the kind of extinction event he referenced this weekend, and where he has said humans could set foot within five to seven years.

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Police sergeant recounts his Neuralink journey with Elon Musk’s brain chip

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A former Vancouver police sergeant with ALS accounts his journey to become a patient for Elon Musk’s Neuralink wireless brain-computer interface technology.

“I’m texting you from my brain right now.” That was the first message Lee Marten sent after waking up from Neuralink surgery, five hours and one migraine after dozens of threads were stitched into his motor cortex.

Marten, a former Vancouver police sergeant, is one of the first Canadian ALS patients to receive Neuralink’s N1 brain implant, and the 26th recipient overall. He tells his story in a first-person account published by Maclean’s.

Marten recounts how he was a healthy, athletic Vancouver police sergeant until April 2022 when symptoms of muscle twitching and balance loss, were followed by a bad fall that broke his leg. He would eventually be diagnosed with ALS in early 2025 at the age of 47. ALS, also known as Lou Gehrig’s disease, is a fatal neurodegenerative disease that progressively destroys the motor neurons controlling voluntary muscle movement, eventually taking away a patient’s ability to walk, speak, swallow and breathe. There’s no cure, and most patients live two to five years after diagnosis.

He describes the devastation of the diagnosis and how he began preparing for it while connecting with other young ALS patients through a WhatsApp group called Young Guns. Through that group he learned about a Neuralink clinical trial at Toronto Western Hospital and, after a roughly seven-month vetting process (physical assessments, psychiatric evaluation, a final interview with the Neuralink team), was accepted this past April as the trial’s 26th recipient and the first Canadian ALS patient to get the N1 implant. He recounts the May surgery in detail, including the robotic system that stitched 64 threads into his brain, and describes the app, Link, translating his neural signals into cursor control, which he was using within hours of waking up.

Marten walks through what daily use looks like, including weekly “brain training” exercises, a real-time neural-activity display, charging the implant via a beanie-mounted MagSafe charger, and using the implant for emailing, texting, social media, and gaming via a “Magic Box” that connects it to other devices. He also gives brief context on brain-computer interface history and quite candid about Musk, calling him “divisive” but saying he found him “easy to admire.

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The piece closes on a heavier note, with Marten seeking to pursue medical assistance in dying as his symptoms progressed, noting that he’ll be able to communicate his final words to his family through Neuralink rather than facing a silent decline. He expresses hope the data from his case will help future ALS patients, even without a cure in his own lifetime.

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