Voilamart’s 250W rear hub conversion kit is a popular, affordable way to electrify almost any bike. The brushless geared hub motor is laced into a ready-built rear wheel, so installation is largely a matter of swapping the wheel and routing the wiring. This 36V 250W version is supplied as pedal-assist only with no hand throttle, keeping it road-legal in the UK (EAPC) for riders 14 and over with no licence, tax or insurance required. The kit includes the motor wheel, LCD display, PAS, brake cut-off levers, controller and wiring. Choose your wheel size at point of order. A solid entry-level choice for commuters wanting a legal, low-cost electric boost.


Voilamart 250W Rear Hub Conversion Kit (36V) – Road Legal
UK road-legal (EAPC)
£249.99
Price includes 20% VAT.
Voilamart 250W 36V rear wheel hub motor conversion kit, pedal-assist only. Road-legal in the UK (EAPC).
About this item
- Throttle: None
- Motor Power: 250W (continuous)
- Motor type: Rear geared hub motor
- Rated power: 250W
- Voltage: 36V
- Sensor: Cadence PAS
- Display: LCD with assist levels
In stock — dispatched within 2–3 working days
Free UK delivery on bikes · 30-day returns
| Brand | |
|---|---|
| Throttle | None |
| Motor Power | 250W (continuous) |
| Motor type | Rear geared hub motor |
| Rated power | 250W |
| Voltage | 36V |
| Sensor | Cadence PAS |
| Display | LCD with assist levels |
| UK status | Road-legal (EAPC), pedal-assist only |
UK road-legal (EAPC)
This electric bike meets UK Electrically Assisted Pedal Cycle (EAPC) requirements: a 250W motor providing pedal-assistance that cuts off at 15.5 mph (25 km/h). It can be ridden on UK roads, cycle paths and bridleways with no licence, registration, road tax or insurance required, by riders aged 14 or over.
Manufacturer Warranty
All e-bikes sold by VOLTARC come with the full manufacturer's warranty. Coverage typically includes:
- Frame & Fork — 2–5 years against manufacturing defects
- Motor & Battery — 2 years (capacity guarantee: ≥60 % after 500 charge cycles)
- Electrical components — 1–2 years
- Consumables (brake pads, tyres, chain) — not covered
How to make a claim
Email support@e-bikes.biz with your order number and a description of the issue. We aim to respond within 1 business day.
Extended Support
VOLTARC offers optional 3-year extended cover for an additional fee. Ask us at checkout.
No. EAPC (Electrically Assisted Pedal Cycle) e-bikes are legal on UK roads without a licence, insurance, or registration, provided the motor assists only while pedalling and is limited to 250 W / 15.5 mph.
Range depends on the battery size, rider weight, terrain, and assist level. Check the specific product specification for its stated range; typical figures are 40–120 miles per charge.
Most batteries charge in 3–6 hours from flat using the supplied charger. Fast-charge options (where available) can halve this time.
Yes. Our bikes carry an IP rating (see spec tab) and are designed for UK weather. Avoid submerging the battery or motor. Dry and lightly oil the drivetrain after wet rides.
14-day hassle-free returns on unused bikes in original packaging. For faulty bikes we will arrange a free collection. See our returns page for full details.
Finance is not yet available at checkout — it's planned for a future release. See our Finance page for the latest status and to register your interest.






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