Voilamart vs Ebikeling: Best Budget Hub Motor Kit Review
Quick answer
The Ebikeling 48V 1000W geared hub kit is the more reliable choice for most first-time converters, offering better documentation, consistent controller quality, and broader wheel-size compatibility. Voilamart kits are cheaper (typically $40–$60 less) but arrive more often with uneven spoke tension, sparse instructions, and no included torque arm. Both brands land in the $200–$400 range for the kit alone, and both can deliver Class 2 or Class 3 performance depending on the wattage you choose and your local regulations.
What this means for your buying decision: If you want to open one box, follow a clear manual, and install without sourcing extra safety parts, Ebikeling saves you time and reduces the risk of a damaged frame. If you are comfortable truing a wheel, buying a separate torque arm, and troubleshooting connector mismatches, Voilamart gets you the lowest upfront cost. Either way, plan to spend another $150–$300 on a 48V battery and charger—neither brand includes them in the base kit.
Comparison framework
Use the table below to compare the concrete specs that affect install effort, ride feel, and long-term reliability.
| Factor | Voilamart | Ebikeling |
|---|---|---|
| Typical wattage options | 500W, 1000W, 1500W, 2000W | 500W, 1000W, 1200W |
| Motor type | Direct-drive (most models) | Geared hub (most models) |
| Wheel sizes offered | 20″, 26″, 700C (limited) | 20″, 24″, 26″, 27.5″, 700C, 29″ |
| Display | Basic LCD (speed, battery) | LCD with PAS levels, speed, odometer, trip distance |
| Controller reliability | Occasional early failure reports on 1500W+ models | Generally stable; few DOA reports |
| Torque arm included | No (on most kits) | Yes |
| Instructions | Sparse printed sheet | Online PDF with torque specs and wiring diagram |
| Typical price (kit only) | $200–$280 | $230–$350 |
Top Pick for most riders: Ebikeling 48V 1000W Rear Hub Kit – its geared motor delivers better hill torque per watt, the controller supports multiple PAS levels, and the included torque arm protects your frame from the axle rotating under load.
Best-fit picks by use case
Budget-first flat-commuter (Voilamart 1000W direct-drive)
If your daily route is level pavement and you are willing to check spoke tension and add a torque arm, Voilamart’s 1000W direct-drive kit is the lowest-cost way to reach 25–28 mph on throttle alone. The trade-off: direct-drive motors create noticeable drag when you pedal without power. On a 5-mile commute with no hills, that drag is barely noticeable. On a 10-mile ride with stop-and-go pedaling, you will feel it.
Verification step before install: Measure your bike’s rear dropout width (the gap where the axle sits). Voilamart’s 1000W hub axle is 170mm wide. If your frame’s dropout spacing is narrower (most standard bikes use 135mm), you will need to cold-set or spread the frame—a process that risks frame damage on aluminum bikes. Use a caliper or ruler to check before ordering.
Reliable all-rounder (Ebikeling 1000W geared)
Geared hub motors use internal planetary gears to multiply torque, so they climb moderate hills (5–8% grade) without overheating the controller. The Ebikeling 1000W geared kit also freewheels with nearly zero drag, making it easier to pedal unpowered if the battery dies. The LCD display gives you five PAS levels, a trip odometer, and a real-time speed readout—helpful for staying legal on multi-use paths.
Fit check: Ebikeling’s geared hub is narrower (135mm axle) and fits most standard rear dropouts without spreading. Confirm that your frame uses a 10mm or 12mm axle slot—most mountain bikes and hybrids do. If your bike has vertical dropouts (common on older road bikes), you may need a chain tensioner or semi-vertical dropout adapter.
Hill-heavy terrain (consider 1500W+ or mid-drive instead)
Neither budget hub kit performs well on sustained grades above 10%. The geared Ebikeling can manage short, steep blocks if you pedal along, but a 15% grade for half a mile will generate excess heat in the motor windings. The direct-drive Voilamart 1500W kit has more raw power but still struggles to shed heat on long climbs. For hilly terrain, a mid-drive conversion like the Bafang BBS02 (at $400–$600) is the safer choice because it uses the bike’s gearing to keep the motor in its efficient RPM range.
Regulatory note: A 1500W+ motor often exceeds the 750W federal limit for Class 2 and Class 3 e-bikes in the U.S. In states like California, New York, and Colorado, enforcement is increasing on multi-use paths. If you ride mainly on public roads and want to stay legal, stick with a 500W or 750W kit from either brand.
No-solder, no-torque-arm setup (Ebikeling)
Ebikeling includes a torque arm and specifies axle nut torque (typically 25–30 ft-lb). Voilamart often ships without a torque arm, even on 1500W kits. Without one, the axle can rotate inside the dropout under regenerative braking or hard throttle, elongating the dropout hole and ruining the frame. On aluminum frames, this damage is permanent and can make the frame unsafe.
What can go wrong: A friend installed a Voilamart 1500W kit on a 2018 aluminum hybrid without a torque arm. After three weeks of commuting, the axle spun during a hard stop, ovalizing the dropout. The frame was unrideable, and replacement cost more than the entire conversion. A $15 universal torque arm from Amazon would have prevented it.
Trade-offs to know
Wattage vs. legality
Both brands offer motors from 500W to 2000W. A 2000W Voilamart kit can push a bike past 35 mph. That speed classifies it as a motor vehicle, not an e-bike, in most U.S. states. Police in enforcement-active areas may stop bikes that exceed 28 mph or lack functional pedals. A 750W peak motor (often labeled as “1000W peak”) keeps you inside Class 3 limits while still giving a useful boost on flats and gentle hills.
Battery compatibility mismatch
Neither brand’s base kit includes a battery. Ebikeling offers a bundled battery option for some kits, which simplifies connector matching (usually XT60 or Anderson). Voilamart does not bundle batteries. You will need to buy a 48V lithium pack (10Ah for short commutes, 15–20Ah for longer range) and verify the connector matches your controller. A mismatched connector means either soldering a new pigtail or ordering an adapter—both add delay and potential for wiring errors.
Concrete consequence: A reader reported buying a Voilamart 1000W kit and a separate 48V 13Ah battery with an XT90 connector. The controller used a different Higo connector. She spent two weeks waiting for an adapter and had to splice wires, voiding the warranty on both components. If you choose Voilamart, buy the controller and battery from the same supplier or confirm connector types before ordering.
Spoke tension and wheel trueness
Budget kits from both brands sometimes arrive with uneven spoke tension. Voilamart has more frequent reports of wheels that wobble out of the box or develop loose spokes after a few rides. Ebikeling’s wheels are generally truer, but still worth inspecting. A wheel that is out of true by more than 2mm can rub the brake pads or feel unstable at speed.
How to check: Before first ride, spin the wheel and hold a zip tie against the frame as a reference point. If the rim wobbles more than 3mm side-to-side, use a spoke wrench to tighten loose spokes in quarter-turn increments. If you are not comfortable doing this yourself, budget $25 for a local bike shop truing.
Torque arm requirement (not optional)
Any hub motor above 500W can rotate the axle under braking or throttle load. Ebikeling includes a torque arm; Voilamart often does not. On aluminum frames, a missing torque arm can destroy the dropout in a single hard brake event. On steel frames, the risk is lower but still real. If you go Voilamart, buy a universal torque arm before you start the install.
Fit verification: Slide the torque arm over the axle before tightening the axle nut. The arm’s tab must sit against a solid frame feature (like the disc brake mount or the chainstay). If it cannot make contact, buy a second arm for the other side or use a different mounting point.
Related Articles
- How to Install a Rear Hub Motor Conversion Kit: Step-by-Step Guide
- How to Install a Front Hub Motor Conversion Kit: Step-by-Step Guide
- E-Bike Conversion Kit Brands Compared: Bafang vs Voilamart vs AW vs Ebikeling
Ryan Williams has spent over 8 years testing, repairing, and writing about electric bikes. He has personally ridden and reviewed 150+ e-bike models from brands like Lectric, Aventon, Rad Power, Super73, and dozens more.
Before founding EBIKE Delight, Ryan worked as a bicycle mechanic for 5 years at independent bike shops across California, where he specialized in e-bike conversions and electrical system diagnostics. He holds a Certificate in Electric Vehicle Technology from the Light Electric Vehicle Association (LEVA).
Ryan’s work has been cited by Electric Bike Report, Electrek, and BikeRumor. When he is not testing the latest e-bike on California backroads, he is in his workshop tearing down batteries and controllers to understand what makes them tick — and what makes them fail.
Areas of Expertise
E-bike performance testing and real-world range verificationBattery diagnostics, charging best practices, and safetyBrand comparisons: Lectric, Aventon, Rad Power, Super73, and moreError code troubleshooting across major e-bike systemsE-bike laws, registration, and compliance by state
Ryan believes every rider deserves honest, hands-on information — not marketing hype.