Direct-to-consumer brands have made good e-bikes more affordable, but buying online means no test ride and no shop to set it up. This checklist covers what we'd check before ordering.
1. Get the fit right
Use the brand's size chart, which is usually based on rider height. Inseam matters for step-over frames. Step-through frames suit more heights and are easier to mount with cargo.
2. Choose the class
| Class | How the motor helps | Assisted top speed | Throttle |
|---|---|---|---|
| Class 1 | Only while pedaling | 20 mph | No |
| Class 2 | Pedaling or throttle | 20 mph | Yes |
| Class 3 | Only while pedaling | 28 mph | Typically no (varies by state) |
3. Check battery and electrical safety
Look for certification to UL 2849 (the complete e-bike electrical system) or UL 2271 (batteries). Use only the supplied charger and charge where you can see it.
4. Read the warranty and return policy
- How long are the frame, motor and battery each covered?
- How long is the return window, and who pays return shipping?
- Does assembly by you affect the warranty?
5. Plan assembly and service
Most online e-bikes arrive mostly assembled. You'll attach the handlebars, pedals and front wheel. Check whether the brand has partner shops or mobile service near you, and whether parts are easy to order.
6. Budget for extras
- A good lock (or two)
- Helmet and lights if not included
- Racks, bags, fenders
- Insurance or theft registration
Brands we compare
Aventon sells online and through dealers. Velotric sells mostly online with value pricing. Rad Power Bikes focuses on utility.
Official sites: Aventon, Velotric, Rad Power Bikes.
How we evaluated
Scores on this page are editorial scores out of 10. We built them from official product, pricing and documentation pages, checked in October 2026, using the weighted criteria below. Advertisers do not influence our ratings, and we haven't run lab-style benchmarks for this page.
| Criterion | Weight | What we looked at |
|---|---|---|
| Lineup fit | 30% | Range of commuter, cargo, folding and step-through models on official sites |
| Warranty and returns | 20% | Published warranty length, return windows and conditions |
| Service options | 20% | Dealer network, mobile service, parts availability |
| Spec transparency | 15% | Motor, battery, class, weight and certifications listed on brand pages |
| Value | 15% | Published prices relative to listed specs |
We haven't road-tested these bikes for this page. Specs, prices and warranties change by model and season, so confirm on each brand's official site before you buy.
Related: Best direct-to-consumer e-bikes · E-bike classes explained
How this page was made: from each provider's official product and pricing pages and its public documentation. We haven't run a formal hands-on test for this page. When we add hands-on notes, we'll label them.
After delivery
Inspect, assemble carefully, check brakes, charge fully, register the warranty, and take a short test ride in a quiet area. Book a shop check if anything feels wrong. Compare brands: Aventon, Velotric, Rad Power Bikes.
Hub motor or mid-drive: what the difference means
Hub motors sit in the front or rear wheel hub and push the wheel directly. They're common on direct-to-consumer bikes, tend to be simpler, and work independently of the gears. Mid-drive motors sit at the pedals and drive the chain, so they use the bike's gears, which can help on steep hills, but they put more wear on the chain and cassette. Neither is automatically better; the right choice depends on terrain, budget and how you ride. Check each model's official spec page for which motor type it uses.
Riding in rain and cold
Many e-bikes are designed to handle rain, but check the brand's guidance on water resistance. Use fenders, lights and reflective clothing. In cold weather, batteries deliver less range; store the battery indoors and install it just before riding. Dry the bike after wet rides and lube the chain more often.
Buying online: what to check before checkout
- Return policy: how many days, condition requirements, and who pays return shipping for a large box.
- Warranty: length and coverage for the frame, motor, battery and electronics, and how claims work.
- Assembly: how much assembly is needed, and whether professional assembly is offered.
- Service: whether there are partner shops near you, and parts availability.
- Shipping: delivery time and whether the box needs inspecting for damage on arrival.
- Total price: including accessories, taxes and shipping.
What to check on a test ride
- How smoothly the assist engages and disengages.
- Braking power and feel, especially downhill.
- Comfort of the riding position over several minutes.
- Ease of reading the display and using the controls.
- How easy the bike is to lift, walk and park.
- Noise and any rattles.
Rules and etiquette
Know your local rules on where e-bikes can ride, speed limits on shared paths, helmet and age requirements, and lighting at night. Ride predictably, signal turns, slow down around pedestrians, and use a bell. Some insurers and employers have their own requirements for commuting by e-bike.
Torque versus cadence sensors
A cadence sensor turns the motor on when it detects the pedals turning, and the assist level sets the power. It's simple and makes riding feel easy, though it can feel less natural. A torque sensor measures how hard you push and scales assist to match, which many riders find feels more like a regular bike. If ride feel matters to you, look for which sensor a model uses on its official page and try both on a test ride if you can.
Thinking about range realistically
Brands publish range estimates, often as a span, because real range depends on rider weight, cargo, hills, wind, temperature, tyre pressure, assist level and how much you pedal. Treat the top of a listed range as best-case. To decide what you need, measure your longest regular round trip, add a healthy buffer for cold weather and detours, and choose a battery that covers that comfortably. If you can charge at work, your needed range may be much smaller.
Getting the right fit
An e-bike that doesn't fit is uncomfortable no matter how good the motor is. Brands list frame sizes or a recommended rider height range for each model; check it against your height and, if possible, your inseam. Step-through frames make mounting easier for many riders and are popular for commuting in regular clothes. Step-over frames tend to suit riders who want a sportier position. Check handlebar reach and saddle height adjustment, and whether the bike's listed maximum payload covers you plus anything you carry. If you can, test ride at a dealer or demo event before buying.
Reading a warranty properly
Warranties often cover different parts for different periods: the frame may have a longer term than electrical components such as the motor, battery, display and controller. Check whether the warranty requires registration, whether assembly by a professional is required to keep coverage, how claims are handled for online purchases, and whether labour is covered. Keep your receipt and serial number.
Brakes and tyres
E-bikes are heavier and often faster than regular bikes, so braking matters. Hydraulic disc brakes generally need less hand force and self-adjust as pads wear; mechanical disc brakes are simpler to service. Wider tyres add comfort and grip, while narrower tyres roll more efficiently on smooth roads. Check which brakes and tyres each model uses on its official page, and replace pads and tyres before they're worn out.
Total cost of ownership
Beyond the purchase price, budget for a lock, helmet, lights if not included, fenders or racks, a professional assembly or tune-up if needed, regular consumables (tyres, brake pads, chain), possible battery replacement years later, and insurance. Prices for models and accessories change often with promotions, so compare current totals on each brand's official site.
Routine maintenance
- Every ride: check tyre pressure, brakes and lights.
- Weekly for commuters: wipe and lube the chain, check for loose bolts.
- Monthly: inspect brake pads, tyre tread and spokes.
- Periodically: have a shop service brakes, gears and wheels; e-bikes are heavier and wear consumables faster than regular bikes.
- Electrics: keep connectors clean and dry, and follow the brand's guidance on washing (avoid pressure washers).
E-bike classes in brief
Many US states use a three-class system. Class 1 bikes provide pedal assist only, up to a set speed. Class 2 bikes add a throttle that can propel the bike without pedalling, up to the same speed. Class 3 bikes provide pedal assist up to a higher speed. Exact speed limits, where each class may ride, helmet rules and age limits vary by state and city, and some trails and paths restrict certain classes. Check the label on the bike, the brand's listed class for each model, and your local rules before buying.
E-bike glossary
- Pedal assist
- The motor adds power when you pedal.
- Throttle
- A control that powers the bike without pedalling (Class 2).
- Hub motor
- A motor in the wheel hub.
- Mid-drive
- A motor at the pedals that drives the chain.
- Torque sensor
- Measures pedalling force to scale assist.
- Cadence sensor
- Detects pedalling to trigger assist.
- Wh
- Watt-hours, a measure of battery capacity.
Unboxing and assembly tips
Most direct-to-consumer e-bikes arrive partially assembled. Photograph the box before opening in case of shipping damage. Follow the brand's official assembly video or manual exactly, use a torque wrench where torque values are specified, and check that the handlebar, stem, front wheel, pedals and brakes are tightened correctly. Pedals are side-specific: the left pedal threads the opposite way. If anything feels uncertain, especially brakes, have a bike shop check it before your first ride. Charge the battery fully before first use as the manual directs.
Carrying kids and cargo safely
Only carry passengers on bikes and accessories the manufacturer approves for it, and stay within the listed maximum payload, which includes the rider. Use approved child seats or passenger kits, helmets for everyone, and footrests or guards that keep feet away from wheels. Practise loaded starts, stops and turns in a quiet area first, since a loaded bike handles differently. Check local laws on carrying children on bicycles.
Setting up for commuting
Commuters benefit from fenders, a rear rack or panniers, integrated or bright lights, and puncture-resistant tyres. Plan a route using bike lanes and quieter streets, ride it once on a weekend, and check where you'll park and whether you can charge at work. Carry a small kit: a pump or CO2, tyre levers, a spare tube or plug kit, and a multitool. Many models include some commuting accessories; check each listing.
Battery safety basics
- Buy bikes and batteries whose listings state certification to recognised safety standards; check the brand's official page for which standards apply to each model.
- Use only the charger supplied or approved by the manufacturer.
- Charge on a hard surface away from flammable materials, and don't leave charging batteries unattended for long periods.
- Stop using a battery that is swollen, damaged, overheating or smells unusual, and contact the brand.
- Store batteries in moderate temperatures and follow the manufacturer's storage-charge guidance for long breaks.
- Recycle old batteries through approved programmes; never put them in household trash.
Frequently asked questions
Is it safe to buy an e-bike online?
Do e-bikes come assembled?
Where do I get an online e-bike serviced?
What if my e-bike arrives damaged?
How we score
Our scores are editorial scores out of 10. They're our judgment, weighted across the criteria below, based on each provider's official product pages, pricing and documentation, plus public feedback. They aren't user ratings or lab test results, and commissions don't change them.
- Lineup fit for common uses
- Published warranty and return terms
- Service and dealer options
- Specs transparency on brand pages
- Value
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