Torque sensors vs. cadence sensors for electric bikes: Which one is right for you?
In the booming world of electric bikes, there’s an ongoing debate – torque sensors or cadence sensors? If you’re new to the scene or even a seasoned e-bike enthusiast, understanding the difference between the two can help optimize your riding experience and bang-for-your-buck. Let’s dive into the mechanics and merits of each to help you make an informed decision.
The difference between torque and cadence sensors
First let’s start with the basics. Both torque sensors and cadence sensors are methods used to activate pedal assist on an e-bike. When the rider pedals, the sensor reads that pedaling input and tells the e-bike’s speed controller to apply power to the motor. The major difference is just how the sensor reads that input, and that difference has a big effect on the e-bike’s performance.
Cadence sensors: These sensors detect the speed at which you’re pedaling. They don’t know or care how hard you’re pedaling, just how fast. Once you achieve a specific pedaling speed, they generally tell the motor to start working, providing a predetermined level of assistance. On most e-bikes with a cadence sensor, that means the assist is more of a binary system: The motor is either on or off, based on your pedaling speed. There is usually some lag time between when the pedaling begins and when the motor kicks in, which is caused by the cadence sensor waiting to see how many sensor magnets pass by in a given time period. Some e-bike companies have been able to program in slightly more refined cadence sensor-based pedal assist, such as Lectric eBikes. But at their core, cadence sensors are still a very simpler option that results in more of an off/on motor activation feel to the ride.
Torque sensors: Torque sensors, on the other hand, measure the force you apply to the pedals. They aren’t as interested in the speed of your pedaling, but rather the strength of your pedaling. The harder you pedal, the more assistance they will tell the motor to provide, making the e-bike experience feel more intuitive and akin to traditional biking. This sensor essentially gauges the tension in the bike’s drivetrain, either at the pedals or along the chain line, and adjusts the electric assist proportionally. The more effort you exert, the more boost you get. There’s also very minimal lag between the time a rider starts pedaling and the time that the assist kicks in.
The difference in the riding experience
Cadence sensors: For those who prefer a lower price tag, cadence sensors are the way to go. They’re particularly useful for riders who may not want to or be able to exert too much force, like those with certain physical limitations or those who simply prefer a more predictable, cruise-control type of ride. However, this can sometimes lead to an abrupt start, especially if you’re pedaling fast from a stationary position. The lag time of 1-2 seconds can also be a pain, especially when the bike is in high gear or riders are starting up a hill, since the familiar electric assist is absent at start. Lastly, cadence sensors can make it hard to ride in a group unless everyone is on the same type of e-bike and in the same power level. This is because each power level usually brings riders up to set speed, such as 5 mph for level 1, 8 mph for level 2, and so on.
Torque sensors: E-bikes with torque sensors often feel more “natural” to traditional cyclists and newcomers alike. The intuitive relationship between your effort and the motor’s output makes for a smoother transition between power levels, offering a ride that closely mirrors the experience of riding a non-electric bicycle (just with less sweat). It provides a greater sense of control over the bike’s power and speed, especially beneficial for tackling varying terrains. Climbing a steep hill? Push harder, and the bike responds in kind. It feels more like the bike’s power is an extension of your own power, as opposed to cadence sensor e-bikes which feel more like an e-bike on cruise control.
A hybrid approach
The comparison of pure cadence vs torque sensor pedal assist is really only applicable on most hub motor e-bikes. Many e-bikes with a mid-drive motor will actually use multiple sensors, including a combination of cadence and torque sensors, as well as other sensors such as an angle sensor to help increase power on hill climbs.
The hybrid approach used on most mid-drive e-bikes is helpful because the torque sensor can be used to give nearly instant feedback and intuitive power selection, while the cadence sensor provides added information, such as if the rider is downshifting and thus pedaling at a much higher speed (likely indicating a hill).
My personal preference
I’ve been riding e-bikes for nearly 15 years and have thrown a leg over several hundred different models. While any e-bike will work for most people, the two different styles of pedal assist sensors definitely make a big difference.
For me, I prefer a torque sensor on any e-bike that I’m riding either for fitness or the actual pedaling experience (like joy rides through nature when I want to go slow and enjoy the surroundings). Unlike a cadence sensor, a torque sensor gives me more predictable and intuitive pedal assist that doesn’t rocket me up to higher speeds when I start pedaling, but instead feels more like it “checks in” with me to find the appropriate power and speed for the motor assist.
However, torque sensors can often add a few hundred dollars to the price tag of a bike, and thus when I’m looking for a budget e-bike, I know that I can make do with slightly less intuitive pedal assist as a trade off for saving some serious cash. And of course on any e-bike that is used for mostly throttle-only riding, the issue of cadence vs torque sensor is largely irrelevant.
Many e-bike models are adding torque sensors now, such as the recently updated Aventon Soltera, since more riders are starting to demand the highly refined riding experience.
In conclusion
Choosing between torque and cadence sensors ultimately boils down to your personal riding style and preference. If you’re seeking an e-bike experience that closely mirrors traditional biking with a responsive, dynamic feel, torque sensors are your best bet. This is especially true if you want to ride with a partner or in a group. However, if you value consistent, straightforward assistance regardless of pedaling force, and you want to save some cash, cadence sensors might be more up your alley.
Remember, the best e-bike is the one that aligns with your riding habits and budget, ensuring each journey is both efficient and enjoyable. So, take a moment, assess your biking goals, and choose the system that resonates best with your vision of the perfect ride. Safe cycling!
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Tesla’s stock (TSLA) crashed by as much as 5% in pre-market trading after President Trump threatened to set DOGE on Elon Musk, who has been criticizing his ‘Big Beautiful Bill’.
After being kindly shown the door to the White House last month, Musk had a brief moment of clarity and started to criticize Trump and the Republican party, which he helped elect with almost $300 million of his own money in the 2024 elections.
He highlighted how Trump’s “Big Beautiful Bill” is expected to increase the deficit and debt. The Tesla CEO even linked Trump to Jeffrey Epstein, something that has been well known for decades, but Musk conveniently ignored it as he was backing the President and wearing hats that read, “Trump was right about everything.”
Musk quickly calmed down and even apologized for “going too far” and started praising Trump again.
That didn’t last long.
Over the last few days, as the Senate attempts to pass Trump’s budget and tax bill, Musk has renewed his efforts to halt the legislation.
The CEO appeared to renew the attacks after the Senate updated the bill to kill the EV incentive sooner and to increase taxes on solar and wind projects.
However, Musk said that he doesn’t mind EV and renewable energy subsidies going away, but he believes that fossil fuel subsidies should also be removed, which is not in the plans at all.
Trump campaigned on Musk’s money, claiming that he would get America to “drill, baby, drill” again.
The CEO went as far as threatening any Senator who vote for the bill, all Republicans, to face his money in their next primary. He added that if the bill passes, he will create a new “America Party.’
Musk’s attacks have focused on the bill itself and the Republicans voting for it, but Trump likes to call it his bill, and unsurprisingly, he is unhappy with Musk.
Last night, he took to Truth Social to highlight again that Musk “would probably have to close up shop and head back to South Africa” without US government subsidies.
The President then suggested that he could have DOGE, a department that Musk created, go after him and the subsidies that his companies get:
Elon Musk knew, long before he so strongly Endorsed me for President, that I was strongly against the EV Mandate. It is ridiculous, and was always a major part of my campaign. Electric cars are fine, but not everyone should be forced to own one. Elon may get more subsidy than any human being in history, by far, and without subsidies, Elon would probably have to close up shop and head back home to South Africa. No more Rocket launches, Satellites, or Electric Car Production, and our Country would save a FORTUNE. Perhaps we should have DOGE take a good, hard, look at this? BIG MONEY TO BE SAVED!!!
Tesla’s stock dropped by more than 4% in pre-market trading following the President’s threat.
Musk responded to the President by pointing out that he is asking to remove the subsidies, but he didn’t add his usual caveat of also removing all subsidies for fossil fuel.
Electrek’s Take
It’s both sad and funny to see Elon now. It’s sad because the US is plunging back into an energy dark age of relying on fossil fuels. Still, it’s amusing because Elon is acting as if he’s just now realizing what he has done, despite everyone but a few cult members screaming at him that this was going to happen for the last year.
Elon got what he wanted out of Trump with his $300 million, and now, he realizes that his influence has limits and that Trump is going to do way more damage than just what Musk wanted out of him: to stop illegal immigration and the so scary “woke mind virus.”
The result will be a significant blow to the growth of electric vehicles and clean energy in the US, and Tesla will be affected in the process, exactly what we have been saying for the last year.
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Police across the US are cracking down on illegal use of out-of-class e-bikes or non-street-legal electric motorcycles used on public roads. It used to be that if you sped off on an illegal electric dirt bike or mini bike after a traffic stop in California, there was a good chance you’d get away. Most police departments don’t want to engage in high-speed chases over these types of violations, especially if the rider isn’t wearing a helmet or is weaving through dense traffic. And since these types of bikes almost never have license plates, merely outrunning or outmaneuvering a police cruiser through some bushes or over a sidewalk was usually enough to evade justice. But lately, a new kind of chase is happening – from above.
Several California police departments are now turning to small, simple-to-operate drones similar to consumer drones to track down illegal e-bike and electric dirt bike riders who flee traffic stops.
These drones, often built on platforms used by consumer drones but with upgraded camera equipment, are quiet, effective, and don’t put pedestrians or officers at risk like a high-speed pursuit.
And while the tech isn’t new, the way it’s being deployed marks a turning point in how cities are responding to the rise of unregistered, high-powered electric motorbikes and minibikes on public roads.
Recently, the Irvine Police Department shared details on how they caught a minor who was illegally operating a Stark Varg electric dirt bike on public roads and then sped away from police attempting to conduct a traffic stop.
“A 16-year-old juvenile recklessly fled from officers during an attempted traffic stop on Jamboree, reaching high speeds. The rider ran multiple red lights, placing innocent lives in danger. Thankfully, with the assistance of our drone team, officers quickly located the teenager and safely took him into custody. He was later released to his parent. The juvenile was unlicensed, and the motorcycle was purchased by a parent who knowingly allowed their child to ride it. That parent was cited, and the motorcycle was impounded.”
In a similar case just a few weeks ago, the Desert Hot Springs Police Department used a similar drone setup to catch a juvenile illegally operating a non-street-legal minibike on public roads.
As the department shared in a social media post mocking the rider, “Officers attempted to stop a suspect illegally riding a mini bike on city streets. Instead of pulling over like a reasonable person, he chose to flee… on a mini bike. Little did he know, our drone team was already in the air and had front-row seats to this low-speed drama. They followed him as he weaved through traffic, blew through stop signs, and ultimately led us right back to his own front door.”
The DHSPD explained that after the drone watched from above and followed the rider home, police officers arrived and knocked on his front door, which he promptly answered. “He was arrested at his residence without incident,” the post continued. “The mini bike? Impounded. The escape attempt? Hilarious.”
Some police departments in California are still employing police helicopters as their go-to “eye in the sky” for tracking Sur-ron riders who try to run from police, but these light and inexpensive drones are proving to be a more cost-effective and efficient alternative.
The rise of unregistered and often illegally modified electric motorbikes that don’t fit inside existing three-class electric bicycle regulations – many of them closer to light motorcycles than bicycles – has created a real challenge for cities. Riders can disappear down alleyways, weave through traffic, or vanish into neighborhoods where a patrol car can’t follow.
But a few grand for a simple drone? That’s a safer, cheaper solution that can hover and follow quietly from above, sometimes all the way to a suspect’s front door.
This drone-based enforcement strategy raises some interesting questions – not just about surveillance, but about how cities will regulate a fast-evolving micromobility landscape. As out-of-class electric bikes and light electric dirt bikes blur legal categories and create enforcement gaps, tech like drones is stepping in to close them.
Whether that’s a good thing or not depends on your perspective. But one thing’s for sure: the days of just gunning it and getting away are coming to an end.
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The Dodge Charger Daytona EV made headlines when it rolled out fake engine noises as a way to make the EV appeal to muscle car drivers. As it turns out, they weren’t the right sort of fake engine noises – and now Stellantis has to recall 8,000 of them for a fix.
According to the ChryCo fans at Mopar Insider, Stellantis is recalling ~8,390 examples of its 2024 to 2025 Dodge Charger Daytona EVs because of an exterior amplifier that may be missing critical enabling the amp to emit exterior sounds – including the Federally mandated pedestrian warning sounds designed to keep pedestrians safe.
What’s more, the recall’s “suspect period” reportedly begins on 30APR2024, when the first 2024 Dodge Charger Daytona was produced, and ends 18MAR2025 … when the last Charger EV was produced.
RECALL CHRONOLOGY
- On April 17, 2025, the FCA US LLC (“FCA US”) Technical Safety and Regulatory Compliance (“TSRC”) organization opened an investigation into certain 2024–2025 model year Dodge Charger vehicles that may not emit exterior sound.
- From April 17, 2025, through May 13, 2025, FCA US TSRC met with FCA US Engineering and the supplier to understand all potential failure modes associated with the issue. They also reviewed warranty data, field records, and customer assistance records to determine field occurrences.
- On May 14, 2025, the FCA US TSRC organization determined that a vehicle build issue existed on certain vehicles related to a lack of EV exterior sound, potentially resulting in noncompliance with FMVSS No. 141.
Without the software patch, the vehicles don’t comply with the requirements of Federal Motor Vehicle Safety Standards (FMVSS) No. 141, “Minimum Sound Requirements for Hybrid and Electric Vehicles.” The rule requires noisemakers for EVs and hybrids when operating under 19 mph, the safest speeds for pedestrians.
Basically, if you have a Dodge Charger EV, expect to get a recall notice.
It just keeps getting funnier
If you’re not familiar with the Charger Daytona EV’s “Fratzonic Chambered Exhaust,” it’s a system that employs a combination of digital sound synthesis and a physical tuning chamber (translation: a speaker) to produce a 126 decibel sound that approximately imitates a Hellcat Hemi V8 ICE. That’s loud enough to cause most people physical pain, according to Yale University – putting it somewhere between a loud rock concert and a passenger jet at takeoff.
While you could argue that such noises are part and parcel with powerful combustion, they’re completely irrelevant to an EV, and speak to a particular sort of infantile delusion of masculinity that I, frankly, have never been able to wrap my head around. Something akin to the, “Hey, look at me! I’m a big tough guy!” attention-whoring of a suburban Harley rider in a “Sons of Anarchy” novelty cut, without even enough courage to ride a motorcycle, you know?
You know – and I bet you can help me dial in the the comparison to perfection (and help me explain why the car just isn’t selling) in the comments section at the bottom of the page.
SOURCE: Mopar Insiders; featured image by Stellantis.
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