Product Overview
The ZUMI S011 is a CE EN15194 certified folding electric city bike built for EU and North American wholesale buyers. Its 250W brushless front hub motor, 36V lithium battery, and factory-level compliance documentation address the core sourcing requirements that create friction in first-import decisions: road-legal certification, dual-region stock availability, and above-average drivetrain at a scalable dealer price point. Before placing an order for a folding electric city bike targeting the EU market, the essential question is whether the supplier's CE documentation covers the actual final shipped configuration — not a separately tested unit. With the S011, the motor controller calibration, the 25 km/h assist cutoff, and the 250W nominal power limit are built into the factory production specification rather than appended post-certification.
Technical Specifications
| Motor |
250W Brushless Front Hub Motor |
| Voltage |
36V |
| Battery |
Lithium Battery (Rear Carrier Position) |
| Range |
31–60 km per charge |
| Max Speed |
25 km/h (EU road-legal limit) |
| Wheel |
20 inch |
| Tire |
20×3.0" Fat Tire |
| Brakes |
Hydraulic Disc Brake (Front & Rear) |
| Gears |
7-Speed |
| Torque |
80–90 Nm |
| Frame |
High Carbon Steel (Folding) |
| Charging Time |
5–8 Hours |
| Colors |
Black, Blue, Green |
| Certifications |
CE, EN15194, GCC, UL2849, UL2272 |
| Warehouse |
EU + US (Dual-Region In-Stock) |
| OEM / ODM |
Available (MOQ: 1 unit warehouse / 10 units factory) |
| Brand / Model |
ZUMIBIKE (ZUMI) / S011 (G01) |
| Origin |
Hangzhou, Zhejiang, China |
Key Features
1. CE EN15194 Compliance Built In at Factory Level
Contrary to what many spec comparisons suggest, a higher motor wattage does not always deliver better folding electric city bike performance — especially when EU road regulations classify motors above the 250W nominal threshold as mopeds requiring registration and separate insurance. The S011 is calibrated for EN15194 EPAC classification at the production stage. Assist cuts at 25 km/h, and the motor controller configuration matches EU power delivery requirements across member states. A common pitfall at EU customs clearance is discovering that the CE Declaration of Conformity referenced component standards not applicable to the final shipped configuration — the S011 addresses this by building compliance into the production specification rather than adding it as a post-certification declaration. For first-time EU importers of a 20 inch fat tire e-bike at this price point, this distinction directly reduces documentation risk at customs clearance.
2. 7-Speed Drivetrain for Real Urban Terrain
Single-speed e-bikes are adequate on flat terrain, but most European and North American commute routes involve meaningful elevation changes. The S011's 7-speed drivetrain lets riders maintain comfortable cadence on ascents, optimize battery usage across gradient changes, and extend effective daily range compared to single-gear configurations. For dealers stocking a folding electric city bike, this geared specification delivers a measurable test-ride advantage over single-speed competitors at the same price tier. If your buyers are predominantly flat-terrain urban commuters, the 7-speed advantage is moderate but still useful for varying pedal resistance preferences. If your target market includes hillier European cities or suburban routes with consistent elevation variation, the drivetrain specification directly extends effective commute range under typical riding conditions.
3. 20×3.0 Inch Fat Tire — Urban Balance
The 20 inch fat tire e-bike format sits at a practical balance point for urban folding use. The 3.0-inch width delivers meaningfully improved road comfort and stability over traditional narrow commuter tires — absorbing road surface irregularities and providing a more planted feel at commute speeds — yet the bike still folds compactly for elevator lobbies, office spaces, and vehicle trunks. Unlike bulkier 4.0-inch fat tire designs, the S011's tire width preserves practical folding portability. The folding mechanism requires no recalibration between cycles: unfold, ride, fold, store. The CE EN15194 certified e-bike certification applies to this configuration as shipped from the factory warehouse.
4. Hydraulic Disc Brakes — All-Weather Stopping Confidence
Hydraulic disc brakes on both wheels provide stopping performance matched to the S011's 80–90 Nm motor torque output. Lever feel is consistent across wet and dry road conditions, maintenance requirements are lower than mechanical disc brake systems, and the predictable braking response serves five-day weekly commuters riding through variable seasonal weather. You can verify brake engagement quality at the dealer floor level by checking for consistent hydraulic resistance on each lever — a practical demonstration point for retail staff training. This specification reduces warranty claim risk for dealers selling this folding electric city bike in markets with varied commute weather conditions.
5. Battery Range — Realistic Expectations
The stated 31–60 km per charge range covers the realistic performance window under varying conditions. Riders with heavier loads, consistent uphill gradients, or cold-weather use should plan around the lower range figure; optimal flat-terrain moderate-assist riding reaches the upper range. The rear-carrier battery position maintains predictable weight balance through the folding frame geometry. Charging time is 5–8 hours from standard outlets.
Application Scenarios
EU Dealer and Retail Distribution
The S011 is designed for dealers sourcing a folding electric city bike that satisfies EU road-legal requirements without requiring post-import compliance modifications. EU warehouse stock across three color variants eliminates factory lead times for initial and repeat orders. supporting accessible dealer entry with adequate margin at typical European city e-bike retail price levels. For marketplace and platform listings that require CE EN15194 certified e-bike documentation, the factory compliance package provides the technical files needed for platform compliance review processes.
OEM / ODM and North American Import
Brand owners seeking a certified 250W 36V electric bike base for private-label programs can access OEM customization starting from MOQ 10 factory units. The US warehouse stock option shortens reorder cycles for North American buyers compared to factory lead times of 25–35 days. UL2849 and UL2272 certifications address battery safety and electrical system compliance requirements relevant to North American marketplace listings. Monthly production capacity is 8,000 units. For dealer, wholesale, or OEM inquiries, contact ZUMIBIKE at [email protected] or WhatsApp +86 180 7278 3688 .
Competitive Advantages
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Factory CE EN15194 compliance — Full EU road-legal documentation for the shipped configuration; no after-market modification required for European market entry.
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Dual-region EU + US warehouse — Stock in both major Western markets from a single supplier, with 3–7 business day delivery timelines.
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7-speed drivetrain + hydraulic disc brakes — Above-average component specification for the 250W folding electric city bike tier at this price point.
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Three color variants without SKU complexity — Black, blue, and green across both warehouses for dealer floor product variety.
Business Terms
| Minimum Order Quantity |
1 piece (EU/US warehouse stock) |
| Delivery Time |
EU/US Warehouse: 3–7 business days; Factory OEM: 25–35 days |
| Payment Terms |
T/T, L/C, Western Union |
| Supply Ability |
8,000 units per month |
| Packaging |
Standard export carton, professionally packed |