Arc Vector · the honest report

A dream bike that
went bankrupt twice.

A six-figure British carbon-fibre electric sportbike, genuinely brilliant engineering and a cautionary tale at the same time. We decode the torque headline, run the energy math, and explain why the real ownership risk is not a part, it is a failed company. Sources on everything.

Start with what matters
The 10-second answer

One of the most ambitious electric motorcycles ever attempted, and the market punished that ambition twice. The carbon monocoque is real, clever engineering. But Arc went bankrupt in 2019 and again in 2024, only about 11 bikes reached customers, and there is no factory support left. This is a collector's curiosity, not a motorcycle you buy to ride for a decade.

Torque
397 Nm headline
0Nm at the motor
397 Nm is post-gearing, at the wheel
Power
140 hp class
0hp (~105 kW) claimed
genuinely quick
Price
"hyperbike"
$0approx, six figures
a piece of rolling art
Ownership
"the future of riding"
0bikes delivered, maker defunct
you are buying an orphan
Range reality · straight-line
claimed range, this big pack:
0mi
16.8 kWh is a genuinely large pack
Arc Vector · carbon monocoque, 16.8 kWh
Start city, or drag the pin
Claimed (mixed)Real, highway
Rings are straight-line distance from your pin, real routes are shorter. Arc quoted up to ~168 mi mixed, with highway figures lower (sources cite ~120 mi at speed). With so few bikes delivered, real-world range is barely independently tested. Figures from this model's sourced specs.
What it really costs

The sticker is the
least of your problems.

$0approx purchase, six figures (quoted $111k–$130k across markets)
A conventional 5-year cost-to-own breakdown does not really apply here, and we will not fake one. The dominant cost is not maintenance, it is risk: Arc is defunct, there is no factory support, the bike is built from bespoke carbon and bespoke electronics, and the aftermarket is effectively nonexistent. If something major breaks, repair may be impractical at any price.

What we know, and don't: the purchase price is six figures and varied by market and configuration. Beyond that, insurance, specialist servicing, and any repair on a defunct platform are unpredictable, so we mark them "unquantifiable" rather than invent a number. This is a collector's object, priced like one. Methodology in §8.

The full report

Every module behind the headlines: who it is for, the torque number decoded, the real ownership risk, true cost, and the standard scorecard. All sourced.

The 10-second honest answer

An ultra-premium electric sportbike from Coventry, England, built around a carbon-fibre monocoque where the 16.8 kWh battery is itself a structural part of the frame. Gorgeous, genuinely clever, and effectively rolling art at around $117,500. It is also a cautionary tale: Arc filed for bankruptcy twice (2019 and 2024), only about 11 bikes were delivered, and there is no factory support today. Admire it, study it, but go in clear-eyed: you are buying an orphan. Here is the full picture.

A

Is this bike for me?

Start here, and for this bike the honest answer is "almost certainly not, unless you are a collector".

01

Who it is actually for

Same bike, very different answer depending on the buyer. We lead every report with this so nobody buys the wrong machine, and this one has a very narrow right buyer.

🏛️Collectors & museums

The right buyer, and almost the only one. A remarkable story, exotic engineering, and genuine rarity (about 11 delivered) make this a compelling conversation piece for someone who already owns several normal motorcycles.

Verdict, the intended owner
🎨Design & engineering admirers

The carbon monocoque, with the battery as a stressed member, and the hub-centre front end are exotic in the best way. As an object to study and admire, it is extraordinary.

Verdict, an object first
🚚Daily riders

If you want something to actually ride and keep running for a decade, look almost anywhere else. No factory support, bespoke parts, and no meaningful service network make this impractical as a usable vehicle.

Verdict, wrong tool entirely
💰Value or performance shoppers

At six figures with no support, there is no value case. Far quicker, far cheaper, fully supported electric sportbikes exist. Buy this only for what it is, not for what it does per dollar.

Verdict, no value case
02

At a glance: claimed vs. real

Same bike, two stories. The headline specs are genuinely impressive; the catch is not in the numbers, it is in the company behind them. The "why" is in Parts C and E.

Torque
397 Nm
0Nm at the motor
wheel figure, post-gearing
Power
140 hp claim
0hp (~105 kW)
genuinely quick
Range
up to 168 mi
~120mi at highway speed
drops at speed
Ownership
"the future"
0delivered, maker defunct
no factory support
B

Innovations

What is genuinely brilliant, and which "innovations" were headline-grabbing gloss. The Vector has both, in large measure.

03

What makes it special

The features that matter, rated honestly. Some of the Vector's engineering is genuinely class-leading; some of the show was always more press release than purpose.

🧱Carbon-fibre monocoque chassis

The real story. The 16.8 kWh battery is itself a structural element of the frame, which keeps the whole bike light for the class (~485 lb) and is genuinely advanced engineering. This is what makes the Vector matter.

★ Genuine edge
140 hp, 3.1s 0–60, ~124 mph

A ~105 kW motor, a claimed 3.1 second 0 to 60 mph, and an electronically limited ~124 mph (200 km/h). Genuinely fast, with strong torque available from the first crack of the throttle.

✓ Solid
⚙️Hub-centre front end

An exotic alternative to a conventional fork, in keeping with the bike's no-compromise design brief. Rare, sophisticated, and part of why it rides as smoothly as reviewers describe.

✓ Solid
🧤HMI helmet & haptic riding suit

A heads-up helmet that feeds you data and a suit that buzzes to warn you. These grabbed press coverage but mostly added cost and complexity to a bike that did not need help being expensive.

⚠ Oversold
Why this beats the brand's own page: Arc presented every feature as equally revolutionary. We will separate them: the carbon monocoque is the genuine breakthrough, the performance and hub-centre front end are solid and real, and the HMI helmet and haptic suit were headline gadgets that added cost more than capability. Knowing the difference is the whole point.
C

Keeping them honest

Marketing specs vs. the physics. The standout here is the torque number, which is true but not quite what it sounds.

04

The torque number, decoded

Arc loved to quote a huge torque figure that read like a Tesla rivalry. That number is real, but it is measured at the wheel after gearing, not at the motor. The difference matters.

The headline figure was 397 Nm at the output sprocket, achieved through internal gearing. 397 Nm of motor torque. Per MCN and Wikipedia, the actual motor output is closer to 85 Nm (about 63 lb-ft):

# Wheel torque = Motor torque × gear reduction
Motor: 85 Nm (~63 lb-ft) at the crank
At the wheel, after gearing: 397 Nm (~293 lb-ft)
# Both are true; they describe different points in the driveline.
Why we mention it: this is marketing math, not deception, but the wheel figure makes the Vector sound more violent than the ~124 mph top speed and claimed 3.1 second 0 to 60 suggest it really is. Quoting wheel torque is like quoting a car's torque after the transmission and final drive: technically correct, but not the engine's own number. The bike is genuinely quick; it is just quick like a fast sportbike, not like a number nobody else's motor makes.
05

Where "up to 168 miles" comes from

The Vector carries a genuinely large 16.8 kWh pack for a motorcycle, so the range claim is plausible, but like every bike it falls at speed. Here is the energy math.

Step 1, energy in the battery. The pack is a 16.8 kWh Samsung-cell unit. Arc does not publish a simple V and Ah split in our sources, so we use the stated kWh rather than invent the numbers:

# Total energy
16,800 Wh (16.8 kWh nominal)  # very large for a motorcycle
# Usable Wh ≈ nominal × 0.88:
16,800 × 0.88 = ~14,800 Wh usable

Step 2, how far that goes. Sources cite up to ~168 mi mixed and around ~120 mi at highway speed. Back out the implied consumption:

# Range (mi) = Usable Wh ÷ Consumption (Wh/mi)

CLAIMED, mixed riding:
14,800 ÷ ~88 = ~168 mi  ← the headline

REAL, highway / faster:
14,800 ÷ ~123 = ~120 mi
Claimed (mixed)
~168 mi
Highway
~120 mi
The takeaway: the big pack makes a 168 mi mixed claim believable, and even the highway figure of ~120 mi is strong for an electric sportbike. The honest caveat is that with only about 11 bikes delivered, there is very little independent real-world range testing, so treat both numbers as lightly verified manufacturer-class figures, not a tested fleet average.
06

Charging: a fast-charge claim, lightly tested

Charge time is just battery size divided by charger power. Arc claimed a fast figure, but with so few bikes in the wild it is not widely verified.

Arc claimed roughly 30 minutes on a fast charger, with sources also citing about 0 to 80% in ~45 minutes on a fast charger and around 4 hours on a standard charger. Run the formula to see what wattage that 4-hour standard charge implies:

# Charge time (hr) ≈ Battery Wh ÷ Charger W × 1.1
For ~4 hr standard: 16,800 ÷ Charger W × 1.1 = 4 hr
→ Charger ≈ ~4,600 W (a substantial home charger)
A ~30 min fast charge implies DC fast charging at a much higher rate.
The fast-charge claim is plausible for a bike with a large pack and DC capability, but it is a manufacturer claim on a vehicle with very few units delivered, so independent verification is thin. As always, "fast charging" means little without the charger's wattage and the actual hardware behind it; confirm before relying on any single figure.
D

What it costs

The sticker is six figures, but the real cost is risk. Here is what we can verify, and what we will not pretend to know.

07

True cost to own (the risk is the cost)

A normal out-the-door table does not capture this bike. The purchase price is the knowable part; everything after it is shaped by a defunct manufacturer.

Line itemTypicalNotes
Purchase (approx)~$117,500Quoted $111k–$130k across markets and time; six figures
InsuranceunquantifiableA rare, defunct-make six-figure EV; specialist underwriting, varies widely
ServicingunquantifiableNo factory network; bespoke electronics need a specialist who can find one
Major repairimpracticalBespoke carbon and electronics, no surviving parts supply
Resalecollector-drivenValue is rarity-based, not depreciation curves; thin, unpredictable market
Realistic ownership costsix figures + riskDominated by the failed company, not running costs
⚠ The real ownership risk: the company, not a part With so few units built there is no meaningful reliability record, so the dominant risk is not a failing component, it is a failed company. After the 2024 liquidation there is no factory support, and the bike is built from bespoke carbon and bespoke electronics, so aftermarket support is effectively nonexistent. If something breaks, you are largely on your own, and we will not invent a maintenance number for a platform that cannot be reliably serviced. Dated June 2026.
E

Living with it

The hardest part of the report, and the most important: there is almost no support network behind this bike.

08

Reliability, support & parts

Too few units sold to establish a reliability record. The dominant ownership risk is the defunct manufacturer, and we report it plainly.

✓ What is in its favour

  • Reviewers praised the motor: smooth, with full torque from the first crack of the throttle.
  • The carbon monocoque is genuinely advanced and light for the class.
  • As a collector's object, rarity (about 11 delivered) supports its standing.
  • The bike itself was acclaimed by the press that rode it.

✕ What you are taking on

  • Company insolvency: bankruptcy in 2019 and again in 2024 (liquidation).
  • No factory support after the 2024 bankruptcy.
  • Bespoke carbon and electronics with no surviving parts supply.
  • Aftermarket support effectively nonexistent; repairs may be impractical.
  • Heavy and unwieldy at walking pace, per the MCN review.
⚠ The dominant risk is the failed company There is not enough fleet data to talk about component reliability honestly, so we will not pretend to. What we can say with confidence is that the platform is orphaned: no factory, no support network, no parts pipeline. The scorecard reflects this. If you want a bike to ride and keep running, this is the wrong choice; if you want a remarkable object with a story, go in knowing repairs may simply not be possible.
F

The verdict

One scorecard, identical axes on every bike.

09

The standard scorecard

Every e-moto on the site is scored on these same eight axes, by the same rules, so a 1 here means the same thing as a 1 anywhere. The Vector scores brilliantly on engineering and terribly on everything ownership.

Value for money
grin per dollar
0
Real-world range
vs. claim
0
Reliability
no fleet record
0
Support & warranty
maker defunct
0
Parts & aftermarket
effectively none
0
Cost to own
5-yr, higher=cheaper
0
Street-legal ease
as shipped
0
Family-friendliness
new / young riders
0
Bottom line: the Arc Vector is one of the most ambitious electric motorcycles ever attempted, and the market punished that ambition twice. The engineering deserves admiration; the ownership case does not survive contact with reality. Buy it only as a collector's object, with eyes open: no factory, no parts, no support, and a beautiful machine that is a usable vehicle a distant second. Admire it, study it, but go in clear-eyed, you are buying an orphan.

The math toolkit

Our standing methodology, run identically on every e-moto, including bikes we would otherwise have reason to flatter.

5 formulas, every bike
1Real energy in the battery
Energy (Wh) = Voltage (V) × Capacity (Ah)

The only honest way to compare batteries. Arc does not publish a simple V/Ah split here, so we use the stated 16.8 kWh.

2Usable energy
Usable Wh ≈ Nominal Wh × 0.85–0.90

You never use 0 to 100%. The BMS holds a reserve and voltage tapers at the bottom. We assume ~88%.

3Real range
Range (mi) = Usable Wh ÷ Consumption (Wh/mi)

Consumption is the lever: ~88 Wh/mi mixed here, more at highway speed. Drag rises with speed².

4Power you can feel
hp = Watts ÷ 746  |  Continuous = cruise · Peak = launch

Also ask where torque is measured. Arc's 397 Nm is at the wheel after gearing; the motor makes ~85 Nm.

5Charge time
Time (hr) ≈ Battery Wh ÷ Charger W × 1.1

"Fast charging" is meaningless without the charger's wattage. Arc's 30-minute claim implies DC fast charging.

Cost assumptionWe usedChange it if…
Annual mileage1,500 mi/yr (7,500 / 5 yr)A collector may ride far less
Electricity rate$0.17 / kWh (US avg)Your utility differs
Sales tax~8%Your state or country differs
Battery lifeUnknowable on this platformNo support to replace it through
ResaleCollector-driven, not modeledRarity, not depreciation, sets the price

Sources & references

✓ Every figure on this page traces to a source below

We cite everything and date it, because specs, prices and corporate status change. Manufacturer figures are labeled as claims; real-world numbers are our estimates from the methodology above. Spot an error? Our corrections policy means we fix it in public.

History, status & specs
Price, battery & performance

Sources retrieved June 2026. Manufacturer figures are claims, not independent tests, and with so few units delivered, real-world data is limited. The company's defunct status is the single most important fact for any prospective owner; confirm current status before acting.