Price
Motor (Nominal)
Range
Battery
Technical Architecture
Overview
Price
$2,799
MSRP
Motor
250 W
Nominal Output · 750 W peak
Battery
800 Wh
Battery Capacity
Speed
28 mph
Unlocked Top Speed
Payload
300 lbs
Max Load Capacity · bike weighs 61 lbs
Safety Standards
UL 2849 Certified
Electrical System Integrity
UL 2271 Certified
Battery Performance & Safety
Foldable
No
Frame style(s): High-Step, Step-Thru
Score breakdown
55 out of 100 — Worth considering
The arithmetic, in full
Power & Drive8 / 16
Battery & Range12.5 / 21
Safety & Braking9 / 14
Ride Quality & Components17 / 32
Utility & Practicality4 / 8
Display & Connectivity4.5 / 9
Performance score55 / 100
Value — 55 points ÷ $2,79919.6 pts per $1,000
Show every metric and rung — how each subtotal was earned
Every metric below is a ladder. The bike sits on one rung, and that rung’s points are the points it earns. Add the six category subtotals and you get the score at the top of the page. There is no weighting step, no normalisation and nothing rounded away.
Adding a bike never moves another bike’s score. The score is absolute, not a curve. A bike that earned 62 in January earns 62 in December unless its specification changes or we correct a data error — and we log every correction.
Power & Drive
Peak power output2.5 / 9.5
This bike: 750 W (Ultro S mid-drive, 100 Nm) — 750–899 W
Under 600 W0 pts600–749 W1.5 pts750–899 W2.5 ptsThis bike900–1,049 W4 pts1,050–1,199 W5.5 pts1,200–1,349 W7 pts1,350–1,499 W8 pts1,500 W or more9.5 pts
System voltage x controller amperage - the one number that decides acceleration and hill climbing. Scored once, not three times.
Note: Entered 2026-09-18 from Aventon's published Level 4 ADV spec sheet
Pedal-assist sensing3.5 / 3.5
This bike: Torque — Torque sensor
Cadence sensor only0 ptsTorque sensor3.5 ptsThis bike
A torque sensor measures how hard you pedal and matches it. Every bike has at least a cadence sensor, so cadence alone earns nothing.
Note: Entered 2026-09-18 from Aventon's published Level 4 ADV spec sheet
Throttle0 / 1
This bike: Not included (optional add-on) — No throttle
No throttle0 ptsThis bikeThrottle included1 pt
Lets you pull away from a stop without pedalling - useful with a load, on a hill, in traffic, or with joint pain.
Note: Entered 2026-09-18 from Aventon's published Level 4 ADV spec sheet
Speed class2 / 2
This bike: 28 mph (Class 1 shipped, Class 3 unlockable) — 28 mph (Class 3)
Below 20 mph0 pts20–27 mph (Class 1/2)0.5 pts28 mph (Class 3)2 ptsThis bike
Class 3 bikes (28 mph) keep pace with city traffic. Class 1 and 2 stop assisting at 20 mph.
Note: Entered 2026-09-18 from Aventon's published Level 4 ADV spec sheet
Battery & Range
Usable battery capacity8 / 12
This bike: 800 Wh — 800–999 Wh
Under 350 Wh0 pts350–499 Wh2 pts500–649 Wh4 pts650–799 Wh6 pts800–999 Wh8 ptsThis bike1,000–1,299 Wh10 pts1,300 Wh or more12 pts
Total watt-hours you can carry, counting a second battery if one is included. Capacity is scored once whether it arrives in one pack or two.
Note: Entered 2026-09-18 from Aventon's published Level 4 ADV spec sheet
Charger speed0.5 / 3
This bike: 144 W charger (36 V 4 A) — 100–149 W
Under 100 W0 pts100–149 W0.5 ptsThis bike150–199 W1 pt200–249 W2 pts250–349 W2.5 pts350 W or more3 pts
The charger's own output in watts. Scored on the charger alone so that a large battery is not penalised, and so a 36 V high-amp charger cannot pass for a 48 V one.
Note: Entered 2026-09-18 from Aventon's published Level 4 ADV spec sheet
Cell supplier2 / 2
This bike: Samsung 21700 — LG, Samsung or Panasonic
Not LG, Samsung or Panasonic0 ptsLG, Samsung or Panasonic2 ptsThis bike
Cells from LG, Samsung or Panasonic publish cycle-life and thermal data. Anything else earns nothing.
Note: Entered 2026-09-18 from Aventon's published Level 4 ADV spec sheet
Battery ingress protection2 / 4
This bike: IPX6 — IP65 / IPX6
Not published or IPX40 ptsIPX50.5 ptsIP65 / IPX62 ptsThis bikeIPX7 / IP674 pts
The published IP rating of the battery pack - not the bike. IPX5 is a water-jet test only; IP65 adds a dust-tight claim; IPX7 adds immersion.
Note: Entered 2026-09-18 from Aventon's published Level 4 ADV spec sheet
Safety & Braking
Braking system3 / 6.5
This bike: Hydro 2p (Tektro HD-E3120, 180 mm) — Hydraulic disc, 2-piston
Rim, V-brake, coaster or mechanical disc0 ptsHydraulic disc, 2-piston3 ptsThis bikeHydraulic disc, 4-piston6.5 pts
Mechanical disc is the bare minimum and earns nothing. Hydraulic discs stop harder with less hand effort; a four-piston calliper is more than twice the braking power of a two-piston and over double the price.
Note: Entered 2026-09-18 from Aventon's published Level 4 ADV spec sheet
Brake hardware1 / 2.5
This bike: Tektro — Tier-2 name brand (Tektro, Star Union)
Unbranded or not published0 ptsTier-2 name brand (Tektro, Star Union)1 ptThis bikePremium (Magura, Shimano, SRAM, TRP, Hayes)2.5 pts
Whether pads, rotors and callipers can be bought and serviced anywhere. Tektro and Star Union are both serviceable; Magura is better.
Note: Entered 2026-09-18 from Aventon's published Level 4 ADV spec sheet
Motor cut-off at the brake lever2 / 2
This bike: Yes — Motor cut-off at the brake lever
Throttle fitted, no cut-off at the lever0 ptsMotor cut-off at the brake lever2 ptsThis bikeNo throttle fitted - the failure mode does not apply2 pts
On a throttle bike, squeezing the brake should cut motor power. It is a backstop for a stuck throttle or a controller fault. A bike with no throttle cannot have that failure, so it scores full marks here.
Note: Entered 2026-09-18 from Aventon's published Level 4 ADV spec sheet
Brake-activated light1.5 / 1.5
This bike: Yes — Brake-activated rear light
No brake light0 ptsBrake-activated rear light1.5 ptsThis bike
A rear light that brightens under braking is the cheapest way to be seen slowing down.
Note: Entered 2026-09-18 from Aventon's published Level 4 ADV spec sheet
Turn signals1.5 / 1.5
This bike: Yes — Integrated turn signals
No turn signals0 ptsIntegrated turn signals1.5 ptsThis bike
Signal without taking a hand off the bars.
Note: Entered 2026-09-18 from Aventon's published Level 4 ADV spec sheet
Ride Quality & Components
Suspension2.5 / 11
This bike: OEM coil, 100 mm, lockout — Unbranded suspension fork
Rigid steel fork0 ptsRigid aluminium or carbon fork0.5 ptsUnbranded suspension fork2.5 ptsThis bikeName-brand suspension fork (SR Suntour, RST, KKE)6.5 ptsPremium suspension fork (Fox, RockShox, Marzocchi)9 ptsPremium fork plus rear suspension11 pts
A rigid steel fork costs about $6 to make; a name-brand suspension fork is $80 or more. The spread reflects that.
Note: Entered 2026-09-18 from Aventon's published Level 4 ADV spec sheet
Drivetrain7 / 10.5
This bike: 10 (11:39) / Shimano CUES, E-Shift + Autoshift — 9+ speed, quality tier
Single-speed chain0 pts3–7 speed, entry tier2 ptsSingle-speed belt drive4 pts7–8 speed, mid tier4 pts9+ speed, quality tier7 ptsThis bikeInternally-geared hub or gearbox with belt10.5 pts
Gear range, shifting quality and maintenance burden on one ladder. An internally-geared hub with a belt is several levels above a single-speed chain and costs roughly eighty times as much.
Note: Entered 2026-09-18 from Aventon's published Level 4 ADV spec sheet
Tyres1.5 / 1.5
This bike: Kenda Kwick Seven-5 27.5x2.2 — Premium brand (Maxxis, Schwalbe, Kenda, Continental)
Unbranded or OEM0 ptsValue brand (CST, Chaoyang, Innova)1 ptPremium brand (Maxxis, Schwalbe, Kenda, Continental)1.5 ptsThis bike
The best available proxy for grip, rolling resistance and puncture resistance. Deliberately kept small - a name-brand tyre is only about $5 more.
Note: Entered 2026-09-18 from Aventon's published Level 4 ADV spec sheet
Frame finish2 / 2
This bike: Grav-Cast — Gravity-cast or hydroformed
Basic welds0 ptsSmooth welds1.5 ptsGravity-cast or hydroformed2 ptsThis bike
Weld finish is a visible proxy for frame manufacturing control.
Note: Entered 2026-09-18 from Aventon's published Level 4 ADV spec sheet
Axle standard2 / 2.5
This bike: Yes (15x100 mm front) — Thru-axle
Bolt-on or nutted axle0 ptsQuick-release axle0.5 ptsThru-axle2 ptsThis bikeThreaded thru-axle2.5 pts
A thru-axle holds the wheel more securely than a quick-release; a threaded thru-axle more securely still.
Note: Entered 2026-09-18 from Aventon's published Level 4 ADV spec sheet
Stem1.5 / 2
This bike: Adjustable (tooled, 90°) — Tooled adjustable stem
Non-adjustable stem0 ptsTooled adjustable stem1.5 ptsThis bikeQuick-release adjustable stem2 pts
An adjustable stem lets one bike fit several riders. A quick-release adjustable stem costs roughly triple a tooled one.
Note: Entered 2026-09-18 from Aventon's published Level 4 ADV spec sheet
Pedals0 / 2
This bike: Composite platform — Plastic
Plastic0 ptsThis bikeSteel0.5 ptsAluminium1.5 ptsQuick-release aluminium2 pts
The part most owners replace first. Quick-release aluminium pedals fold the bike into a smaller space and do not snap.
Note: Entered 2026-09-18 from Aventon's published Level 4 ADV spec sheet
Lock-on grips0.5 / 0.5
This bike: Yes — Lock-on grips
Standard grips0 ptsLock-on grips0.5 ptsThis bike
Lock-on grips do not twist loose or slide off in the wet.
Note: Entered 2026-09-18 from Aventon's published Level 4 ADV spec sheet
Utility & Practicality
Rack & cargo system2.5 / 4
This bike: Yes / Aluminum — Aluminium rack
No rack included0 ptsSteel rack1.5 ptsAluminium rack2.5 ptsThis bikeAluminium rack with standard accessory interface (MIK/AVS)4 pts
Whether the bike carries anything out of the box, and whether accessories clip to a published standard instead of needing bungee cords.
Note: Entered 2026-09-18 from Aventon's published Level 4 ADV spec sheet
Fenders & weather protection0.5 / 2.5
This bike: Yes / Plastic — Basic plastic fenders
No fenders0 ptsBasic plastic fenders0.5 ptsThis bikeMetal fenders2 ptsFull-coverage composite fenders2.5 pts
Full-coverage fenders are what make an e-bike usable in the rain. Composite fenders do not rattle, rust or cut.
Note: Entered 2026-09-18 from Aventon's published Level 4 ADV spec sheet
Kickstand1 / 1.5
This bike: Rigid — Fixed kickstand
No kickstand0 ptsFixed kickstand1 ptThis bikeAdjustable or double-leg kickstand1.5 pts
An adjustable or double-leg stand holds a loaded bike upright.
Note: Entered 2026-09-18 from Aventon's published Level 4 ADV spec sheet
Display & Connectivity
Display2.5 / 6.5
This bike: Color LCD (A280) — Colour LCD or OLED
LED indicator only0 ptsMonochrome LCD1.5 ptsColour LCD or OLED2.5 ptsThis bikeTFT4.5 ptsTouchscreen TFT6.5 pts
How much you can read at a glance, in sunlight, without stopping. A touchscreen TFT is $40-50 of cost over a colour LCD.
Note: Entered 2026-09-18 from Aventon's published Level 4 ADV spec sheet
Rider tuning1.5 / 2
This bike: Somewhat (Ride Tune per assist level) — Partial tuning
No rider tuning0 ptsPartial tuning1.5 ptsThis bikeFull rider tuning2 pts
Whether you can change how the bike delivers power, or only how much.
Note: Entered 2026-09-18 from Aventon's published Level 4 ADV spec sheet
App connectivity0.5 / 0.5
This bike: Yes (Aventon app, 4G/GPS, Apple Watch) — App connectivity
No app0 ptsApp connectivity0.5 ptsThis bike
Useful for firmware updates and diagnostics. Nice to have, but most riders do not use it.
Note: Entered 2026-09-18 from Aventon's published Level 4 ADV spec sheet
Features we show but do not score
0 points — useful to know, not evidence of quality—Quick-release pedals✓Lock-on grips—Tyre sealant fitted—Plastic-free packaging—Second battery included—Foldable frame
These are real, checkable facts about the bike, and buyers ask about them. None of them predicts whether the bike is good, so none of them moves the score. Quick-release pedals are convenient; they are not a quarter of a braking system.
Editorial Insights
Key Benefits & Drawbacks
Reasons to Buy
- Ultro S mid-drive puts 100 Nm of torque through the chain, so climbs feel natural and the 10-speed Shimano CUES drivetrain with Autoshift changes gear for you.
- 800 Wh Samsung-cell battery is the biggest in the Level 4 line and delivers a claimed 110 miles per charge.
- Ships as a complete commuter: 100 mm lockout fork, thru-axle, rack, fenders, turn signals and 4G/GPS tracking with a rear-wheel e-lock.
Reasons to Avoid
- No throttle in the box — it is a Class 1 pedal-assist bike unless you add Aventon's optional throttle.
- At $2,799 it costs $800 more than the hub-drive Level 4 REC, and the 750 W peak output is modest on paper next to the REC's 1,440 W.
Expert Verdict
In-Depth Analysis
Editorial Review: Evaluating theLevel 4 ADV
The Aventon Level 4 represents a massive, next-generation overhaul of Aventon’s signature commuter line. Rather than a single bike, the Level 4 platform splits into two highly sophisticated tiers: the REC (a high-powered, tech-packed hub motor) and the ADV (a premium, automated mid-drive powerhouse). Both models ditch the traditional commuter mold by incorporating the Aventon Control Unit (ACU) tech suite, loading the bikes with automotive-grade security like 4G cellular, real-time GPS anti-theft tracking, unusual activity alerts, and an integrated physical rear wheel lock.
The Technical Snapshot
The Level 4 lineup is built around a gravity-cast 6061 aluminum frame with a 330-pound payload capacity, but the two versions offer entirely different riding experiences:
- Level 4 REC (The Hub-Drive Utility): Powered by a punchy 750W rear hub motor (1188W peak / 1440W in Boost) delivering 80Nm of torque (96Nm in Boost). It introduces regenerative braking to recover energy on descents, helping stretch its removable 36V 20Ah (733Wh) LG-cell battery to a maximum range of 75 miles. It features a Class 2 layout (unclockable to Class 3, 28 mph) with an included thumb throttle, a Shimano Altus 8-speed drivetrain, a 50mm travel suspension seatpost, and an 80mm travel coil suspension fork.
- Level 4 ADV (The Mid-Drive Masterpiece): Built for purists and high-end commuters, it swaps the hub for Aventon's proprietary Ultro S Mid-Drive motor, pushing out a staggering 100Nm of torque for effortless hill climbing. It acts as a premium Class 1 e-bike (no standard throttle) with a massive 36V 20Ah (800Wh) Samsung battery that yields a mind-boggling 110 miles of range. It acts as a "smart car on two wheels," pairing a Shimano CUES 10-speed drivetrain with an E-Shifter and customizable AutoShift technology that changes gears for you based on your pedaling cadence. It upgrades to a plush 100mm travel thru-axle front fork.
Both models stop on a dime using premium Tektro hydraulic disc brakes (180mm rotors) and roll on fast, stable 27.5x2.2-inch Kenda Kwick Seven-5 Sport commuter tires. The cockpit features a 90-degree adjustable stem, a customizable color display, Apple Watch connectivity, and a full commuter package containing metal fenders, a heavy-duty rear rack, a high-output headlight, brake lights, and integrated turn signals.
Key Specifications
Level 4 ADV
Performance
- Motor (Nominal)
- 250 W
- Motor (Peak)
- 750 W
- Torque
- 100 Nm
- Battery
- 800 Wh
- Battery (Ah)
- 20.0 Ah
- Range
- 110 mi
- Top Speed
- 28 mph
Practicality
- Price
- $2,799
- Weight
- 61 lbs
- Payload Capacity
- 300 lbs
- Foldable
- No
Real-World Range Estimator
Fine-tuned for the 800 Wh Battery
46.5 mi
Motor Type
Terrain Profile
The Science of eBike Range
Estimated range is total usable battery capacity divided by adjusted energy consumption: Range (mi) = Battery (Wh) ÷ Adjusted Consumption (Wh/mi). Manufacturer range claims are measured in ideal lab conditions, so this model starts from a real-world baseline and applies a multiplier for each factor you change above.
The variables
- Baseline: 20 Wh per mile, for a 180 lb rider on flat ground using standard assist with a hub motor. Every adjustment below is a multiplier against that number.
- PAS level: assist is banded rather than linear, because a controller delivers set power steps rather than a smooth ramp. Levels 1–2 draw 30% less energy than standard, level 4 draws 30% more, and level 5 draws 60% more — the jump at the top is steep because aerodynamic drag rises with the square of speed.
- Motor type: mid-drive motors run through the gearing, so they hold a more efficient operating range under load and consume roughly 14% less energy than a hub motor over the same route. Hub motors lose more to heat when they bog down on climbs.
- Rider weight: consumption rises 5% for every full 20 lbs over the 180 lb baseline, reflecting the extra rolling resistance and the energy lost accelerating more mass back up to speed.
- Terrain: a hilly profile adds 30% over flat ground. Regenerative braking recovers very little of what a climb costs, so elevation is close to a straight energy penalty.
This estimate is independent of the Battery & Range score in the rating breakdown, which scores the published specification rather than predicting a single ride. Treat the figure as a planning guide — tyre pressure, wind, temperature and stop-start riding all move the real number.
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