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Rivian’s first e-bike is unlike anything you’ve ever seen — a stunning mix of futuristic design, power, and modular functionality. The electric two-wheeler, dubbed the TM-B (Transcendent Mobility – Bike), was unveiled by Rivian’s new micromobility brand, Also, alongside the TM-Q pedal-assisted quad and Alpha Wave smart helmet.
The TM-B isn’t your typical e-bike. It features 24 x 2.6-inch wheels, integrated lighting, and a sleek frame that transforms effortlessly between cargo, commuter, and cruiser modes. With a bold design and innovative engineering, Rivian is setting a new benchmark for electric mobility.
At the heart of Rivian’s first e-bike lies a groundbreaking “DreamRide” pedal-by-wire drivetrain. Instead of directly powering the wheels, riders pedal a generator that recharges the battery while software manages a separate traction motor to drive the rear wheel. This results in smoother acceleration, efficient energy use, and a futuristic ride feel unlike anything else on the road.
The TM-B’s removable battery comes in 538Wh or 808Wh versions, offering up to 100 miles of range. Both support 240W USB-C charging, hitting full power in under four hours. Each pack includes dual USB-C ports, letting riders charge phones or accessories on the go — a thoughtful nod to adventure seekers and commuters alike.
Performance is where Rivian’s first e-bike really shines. As a Class 3 e-bike, it reaches 28 mph (45 kph) with pedal assist and offers throttle speeds up to 20 mph in permitted regions. With a staggering 180Nm of torque, the TM-B can conquer steep hills or carry heavy loads with ease.
Safety and control are enhanced by hydraulic disc brakes and regenerative braking, which extends range by up to 25%. Riders can expect smooth handling, even at top speeds or while hauling cargo.
Rivian’s TM-B doesn’t just look different — it is different. The modular frame can quickly adapt into multiple configurations without tools. Whether you need a cargo hauler, a kid carrier, or a city cruiser, the TM-B transforms to fit your lifestyle.
Comfort is key too. An inverted front fork suspension and adjustable air shock absorb road bumps, while the bike accommodates riders from 4'11" to 6'8". The seat post unlocks with a quick swipe on the bike’s 5-inch circular touchscreen console, merging digital innovation with mechanical simplicity.
Security and technology go hand in hand on Rivian’s first e-bike. The TM-B comes equipped with proximity-based smart locks that automatically secure the battery, wheel, and frame. It sends tamper alerts and offers real-time location tracking, ensuring peace of mind even when parked in busy areas.
The Alpha Wave helmet, launched alongside the TM-B, enhances this ecosystem. It connects seamlessly to the bike for safety alerts, navigation cues, and communication — a glimpse of how Rivian is redefining rider connectivity.
The $4,500 launch edition TM-B can be preordered now, signaling Rivian’s serious move into the premium e-bike market. While it’s not the cheapest option out there, its design, modular versatility, and performance-focused features make it one of the most compelling entries in modern micromobility.
With the TM-B, Rivian isn’t just making an e-bike — it’s shaping the future of urban transportation. This bold step into micromobility shows that Rivian’s innovation extends far beyond trucks and SUVs.
Rivian’s first e-bike is unlike anything you’ve ever seen because it combines automotive-level engineering, sustainability, and rider-focused design. It’s built for those who demand both style and substance, offering a blend of performance and practicality rarely found in electric bikes.
As cities embrace eco-friendly transport, Rivian’s TM-B could redefine how people move — seamlessly bridging the gap between cars and bikes while delivering the thrill of innovation on two wheels.
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