Rivian Built an E-Bike?! 100-Mile Range & No Chain (Also TM-B First Ride)
The InEVitable
Rivian Built an E-Bike?! 100-Mile Range & No Chain (Also TM-B First Ride) The InEVitable · Apr 13, 2026
Rivian Built an E-Bike?! 100-Mile Range & No Chain (Also TM-B First Ride)

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Rivian Built an E-Bike?! 100-Mile Range & No Chain (Also TM-B First Ride)
Concept

final mile

The “final mile” is the last part of a trip—getting to the exact place you need to go. It’s important because that short distance is where delivery and local travel tools really have to be practical.

Topic

Rivian Hub in Venice, California

They’re recording at Rivian’s place in Venice, California. It’s basically the backdrop for the product introduction.

Company

Also

Also is the company that makes the e-bike they’re going to ride. The hosts say it started from Rivian, so it’s connected to the EV maker.

Concept

Stunk Works project

A “Skunk Works” project is like a small team working on a risky idea. It’s meant to move fast and try something new before it becomes a real product.

TMB
Car

TMB

The TMB is Rivian’s electric bike. The big claim is that it’s built more like a car than a typical bicycle—focused on the overall experience and durability.

Concept

vehicle first, recreational device second

They’re saying the bike is designed to be a real way to get around, not just something for fun. That usually means it’s built sturdier and more thoughtfully engineered.

Term

portal display

The portal display is basically a screen you look at while riding. They’re comparing it to the kind of screen experience you get in a Rivian car.

Term

heads up infotainment screen

It’s a screen that’s meant to be easier to see without taking your eyes off the road. The goal is to make information feel more “in your line of sight.”

Term

vehicle grade

“Vehicle grade” means the parts are built to last like they would in a car, not like cheap bike accessories. It’s about sturdiness and reliability over time.

Term

dream ride propulsion system

The propulsion system is the electric power that makes the bike move. They’re saying it’s designed to feel great to ride, not just to “work.”

Term

battery that powers it

The battery is what stores the electricity for the motor. They’re implying it’s built to car-like standards so it should be safer and last longer.

Concept

front suspension

Front suspension is the part of a bike that helps soak up bumps in the front wheel. It can make the ride smoother and help the tires stay in contact with the ground.

Concept

rear suspension

Rear suspension is the bike’s back shock/absorber. It helps smooth out bumps so the back wheel doesn’t bounce as much.

Concept

series hybrid

In a series hybrid, your pedaling mainly helps generate electricity, and a motor uses that electricity to move the bike. That can make the assist feel more consistent and “tuned” to your effort.

Term

pedal by wire

“Pedal by wire” means when you push the pedals, it doesn’t directly turn the rear wheel with a chain. Sensors read what you’re doing and send signals to a motor that moves the bike. It also lets the bike manage power more flexibly.

Term

no chain

“No chain” means the bike isn’t using the usual chain that connects the pedals to the back wheel. Instead, it uses a different way to transmit power to the rear wheel. That can change maintenance and how the bike is built.

Term

belt drive

A belt drive uses a belt to move power to the rear wheel instead of a chain. Belts are usually quieter and don’t need oil like chains do. In this bike, the belt is powered by a motor, not directly by your pedaling.

Concept

drive motor

The drive motor is the electric motor that turns the rear wheel. It receives signals based on how you’re pedaling, then it decides how fast to spin the wheel. So your pedaling tells the motor what to do.

Concept

generator

A generator turns your pedaling into electricity. Instead of using a chain to spin the wheel, the bike uses that electricity to run the motor. It can also store some of that energy in the battery.

Concept

traction motor

An electric traction motor is the part that makes the bike move. It uses electricity to spin the wheel and help you go faster or up hills.

Rivian R1
Car

Rivian R1

Rivian’s R1 is one of their electric vehicles. They’re saying the e-bike uses the same kind of battery cells as the R1, so it’s not a random, one-off battery design.

Concept

battery cell type

A battery is made of smaller units called cells. “Cell type” means the specific kind of battery chemistry/design, and using the same type can make the battery cheaper and more predictable.

Concept

cost benefit

Cost benefit means the battery can be cheaper because they’re buying/using a lot of the same parts. Making more of the same cells usually reduces the price.

Concept

cells

Cells are the building blocks inside a battery. More cells usually means more total energy capacity, but the exact number depends on what the device needs.

Concept

economies of scale

Economies of scale is when making more of something makes each one cheaper. For batteries, buying and producing in bigger quantities can lower the cost per battery.

Concept

battery cell utilization / getting more out of each cell

They’re talking about how you can squeeze more useful performance out of the same battery cells. The key is doing it in a controlled way so the battery still lasts long enough to meet the warranty.

Term

voltage

Voltage is basically how strong the battery’s electrical “push” is. They’re saying Rivian can set things up so the battery can deliver more power without harming it too quickly.

Term

temperature

Battery temperature matters because heat can wear batteries out faster. They’re saying Rivian can manage temperature so the battery still meets warranty expectations.

Term

warranty

A warranty is the guarantee that if something fails or degrades too much, the company will cover it. They’re saying Rivian can push the battery harder as long as it still stays within what the warranty allows.

Concept

e-bike battery energy vs range tradeoff

It’s not only about how big the battery is. Two batteries with the same energy can still go different distances if one delivers power more efficiently.

Term

watt hours

Watt-hours tell you how much energy is stored in the battery. More watt-hours usually means you can ride farther, assuming the bike uses power at a similar rate.

Term

100 miles of range

Range is how far the e-bike can go before the battery runs out. It depends on battery size and how much power the motor needs, so real-world results can vary.

Term

motor assist

Motor assist is the electric help the bike gives you while you pedal. It usually stops helping at a certain speed, but you can still keep pedaling faster under your own power.

Term

28 miles an hour

28 mph is the maximum speed at which the bike’s motor assist provides power in this configuration. It’s a key spec because it affects how quickly you can travel while still relying on electric assistance.

Term

80 pounds

Bike weight matters for handling, acceleration, and especially for carrying or lifting the bike. The segment also notes that the weight can be reduced by removing components, which can make the bike more practical day-to-day.

Term

power bank

A power bank is basically a battery you can use to charge your phone. Here, the e-bike’s battery can also power your phone through a USB connection.

Term

USB-C

USB-C is the common plug shape used for charging phones and other gadgets. They’re saying the bike has USB-C ports built in so you can charge your phone easily.

Concept

top frame

The top frame is part of the bike’s main structure near the top. They’re saying they designed a new frame piece to fit the e-bike’s battery and make the bike work better.

Term

seat tube

The seat tube is the part of a bike frame that sets where the seat goes. Your seat post slides into it so you can adjust how high you sit.

Term

seat post

The seat post is the part that lets you move the seat up or down. It helps you get comfortable and reach the pedals correctly.

Term

DreamRaw

DreamRaw sounds like the name of their e-bike platform or frame design. They’re talking about it in the same breath as the battery and the low-mounted layout.

Concept

skateboard

They’re calling the battery/electronics area a “skateboard” because it’s built like a flat platform low in the bike. That can help the bike feel balanced and easier to ride.

Concept

throttle

On an e-bike, the throttle is like a power switch you control with your hand. It tells the motor how hard to push, so you don’t have to pedal as much.

Term

banana seat

A banana seat is the long, curved seat shape you might see on classic-style bikes. It’s usually more comfortable for sitting in one position.

Term

drop it right on like a ski boot

This describes a quick-mount or snap-in attachment method for the bike’s top frame/seat module. The “ski boot” comparison suggests a secure, easy-to-engage connection that can be removed and reinstalled quickly.

Term

rear light

A rear light is the light at the back of the bike so other people can see you. It can also include extra signaling like turn indicators.

Term

turn signals

Turn signals are the lights that blink when you’re turning. They help cars and pedestrians know where you’re going.

Term

sense pins

“Sense pins” sound like little connectors that tell the bike when a part is attached correctly. That helps the bike work safely and reliably after you swap modules.

Concept

key-based personalization

Key-based personalization means the car remembers your preferences and loads them when it recognizes your key. So you don’t have to adjust everything every time you drive.

Term

auto adjust

Auto adjust means the car moves your seat (and sometimes other controls) to your saved position. It uses your key/profile so it knows who you are.

Term

ride mode

A ride mode is a setting that changes how the car drives. If you like a certain feel, the car can remember it and switch to that mode when you get in.

Term

haptic feedback

Haptic feedback is a kind of “feel it in your hand” notification, usually through vibration. It can confirm actions like shifting or changing modes so you don’t have to look as much.

Concept

electric motorcycle (no pedals)

They’re describing an electric two-wheeler that doesn’t have pedals, so it rides more like a scooter or motorcycle. That usually changes how it’s regulated and how you control it.

Brand

Rad Power

Rad Power is a company that makes electric bikes you pedal, but the motor helps you. It’s a common brand people buy for commuting.

Brand

Sauron

They’re talking about another electric bike brand besides Rad Power. The exact brand name is a bit unclear in the transcript, but it’s part of their “which e-bikes have you tried?” list.

Term

pedals are connected to the wheel

They’re saying when you pedal, the bike responds in a way that feels directly tied to your pedaling. That matters because it can make the ride feel smoother and more predictable than bikes that mostly use a throttle.

Term

cadence of pedaling

Cadence just means how quickly you’re turning the pedals. They’re saying that even when the hill gets harder, they don’t have to pedal faster to keep going at the same speed.

Concept

e-bike assist maintaining speed on hills

On a hill, a normal bike usually slows down unless you pedal harder. With an e-bike, the motor can add extra help so you can keep your effort and still keep your speed up.

Term

automatic gears

Automatic gears shift for you. Instead of you deciding when to change gears, the bike tries to pick the right one so you don’t have to think about it.

Concept

electric bike conversion

An electric bike conversion means turning a regular bike into an e-bike by adding a motor and battery. The “feel” depends on how well the system is set up, not just on having a motor.

Company

Switch

Switch is mentioned as the company behind an electric conversion kit. The idea is you add a motor and battery to a regular bike so it can assist you like an e-bike.

Part

front wheel hub motor

A front wheel hub motor is a motor inside the front wheel. Instead of helping through the pedals, it pushes the front wheel directly, which can change how the bike accelerates and handles.

Term

pedal sensor

A pedal sensor is what detects your pedaling so the bike can decide when to add electric help. If the sensor timing is off, the bike can feel jerky or unpredictable.

Term

accelerates off the line

This is how fast the bike gets going right after you start from a stop. On e-bikes, that initial launch can feel either smooth or startling depending on the motor and control settings.

Concept

auto mode

Auto mode is when the bike decides how much help to give you. Instead of you constantly adjusting settings, it tries to match the power to what you’re doing.

Concept

manual mode

Manual mode means you’re telling the bike what level of performance you want. Instead of the bike guessing, you pick the setting (like a higher or lower assist level).

Term

sport mode

Sport mode is a button or setting that makes the car feel more “eager.” It usually makes acceleration respond faster so the car feels quicker when you press the pedal.

Term

all purpose

“All purpose” is basically the normal, everyday setting. The point is you don’t need to constantly switch modes—this one works for most situations.

Term

range anxiety

Range anxiety is the feeling that your battery might run out before you get where you’re going. It happens because battery life changes depending on how you ride and the conditions.

Term

conserve mode

Conserve mode is a setting that helps you go farther on a single charge. It usually makes the vehicle less “power-hungry” so you don’t run out of battery as quickly.

Concept

steering by wire

Steering-by-wire means the steering wheel doesn’t mechanically connect to the wheels the old way. Instead, sensors and computers translate your steering input into movement.

Concept

torque sensor

A torque sensor figures out how hard you’re pushing on the pedals. The bike then uses that info to decide how much help the motor should give you.

Concept

torque delivery / acceleration parameters

They tested how hard you pedal, how braking feels, and how the bike speeds up. Then they use that data to program the bike so it reacts smoothly.

Term

gear shifting

Gear shifting is how the bike changes “gearing” so your pedaling matches the speed you’re getting. On e-bikes, it can happen automatically, and the bike may need to make it noticeable so you don’t feel confused.

Concept

auto transmission style

Auto transmission style means the bike chooses the gear for you. Instead of thinking about what gear you’re in, you just pedal and the bike handles the shifting.

Concept

e-bike assist level

On an e-bike, “assist level” is how strongly the motor helps you when you pedal. If you use the highest help all the time, the battery won’t last as long; if you use low help, you can go farther.

Concept

0 to 100 charge time

“0 to 100” means charging the battery from empty to full. The key takeaway is how many hours you need to wait before you can ride again.

Concept

proprietary bike components / proprietary everything

“Proprietary” means the bike uses special parts that aren’t standard. If those parts break, you may have to go back to the brand for repairs instead of using a local shop or common parts.

Term

seat bus thing

They’re talking about a special part of the bike’s frame/connection system. The important takeaway is that it may not be compatible with normal bike parts or standard repair approaches.

Concept

can't get serviced anywhere / service lock-in

They’re worried that if the bike is designed in a way that only the brand can fix it, you can’t just take it to any local shop. That can make repairs harder and more expensive.

Concept

software-based service / subscription pricing for features

They’re wondering if the bike’s features might be locked behind an app or subscription. Instead of buying a bike with everything included, you might have to pay monthly to unlock upgrades.

Term

10 speeds

“10 speeds” means the bike can shift through ten different gear settings. They’re joking that the bike might charge you to unlock extra gears later.

Term

open source

They’re saying most bike parts are standardized, so you can usually mix and match brands. That means it’s easier to repair or upgrade your bike without being locked into one company.

Term

quick releases

Quick releases are the levers that let you take a wheel off quickly. Instead of using tools, you flip a lever to loosen and tighten the wheel.

Term

Allen wrench bolts

An Allen wrench is the small hex key tool. These bolts are used so you can adjust parts like the seat without special equipment.

Term

29 inch mountain bikes

29-inch means the bike’s wheels are bigger than older common sizes. Bigger wheels can help the bike roll over bumps more easily.

Concept

proprietary vs standardized bike parts

They’re talking about whether a bike uses parts that only one brand makes, or parts that many brands share. Standard parts are easier to replace; proprietary parts can be better in some ways but may be harder to service.

Term

flat tire

A flat tire is when your bike tire loses air because of a puncture. It’s common, and it’s why having replacement tires that are easy to find is important.

Term

tire size

Tire size is the exact dimensions of the tire that will fit your bike. If the size is common, you can replace it quickly at most bike shops.

Term

brake pads

Brake pads are the parts that slow the bike down by pressing against the wheel. They wear out over time, so being able to replace them easily is key.

Term

basket or rack

A basket or rack is an accessory mounted to the bike frame or seat-post area to carry items. The discussion focuses on how the mounting method affects how quickly you can swap carrying setups.

Concept

hot-swap

Hot-swap just means you can change parts quickly. Instead of taking the bike apart, you attach or remove an accessory in seconds using a simple connection.

Term

aftermarket

Aftermarket parts are things made by companies other than the original brand. They’re often designed to fit your bike so you can add accessories beyond what came in the box.

Term

mechanical connection

A mechanical connection is how parts physically lock together. The point is that it should be strong and secure, so accessories don’t wobble or fall off.

Concept

Murphy's Law

Murphy’s Law means “things will get annoying when you least want them to.” They’re saying that swapping accessories can take way longer than expected if you have to hunt for parts or remove extra pieces.

Term

saddle

The saddle is just the bike seat. People ask about it because the right one can make riding comfortable instead of painful.

Term

proprietary battery

A proprietary battery is a battery that only works with that bike’s system. That can be convenient, but it can also mean you’re limited to that brand for replacements or upgrades.

Concept

swappable battery pack

A swappable battery means you can take the battery out and put in a fully charged one fast. Instead of charging for hours, you can swap and keep going—if the system is supported.

Concept

battery swapping

Instead of plugging the battery in to charge, you take it out and put in a fully charged one. It’s meant to be fast—more like stopping for fuel than waiting for charging.

Term

micro-mobility industry

Micro-mobility is the world of small electric rides like e-bikes and e-scooters. Companies in this space care a lot about convenience—like how batteries are handled—because riders expect quick, easy use.

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