- 250W motor
- 624Wh battery
- 20″ fat tyre
Electric bikeFoldingStep-through
L20 SE 250W 20" Foldable Electric Trekking Bike 561Wh Step-through E-bike
- 250W motor
- 561Wh battery
- 20″ wheels
- Free UK deliveryEstimated 3–7 business days after dispatch
- Dispatched in 1–2 business daysTracking number sent by email
- ReturnsUnused and boxed — see our Refund Policy
Listed at 250W — within the UK EAPC 250W power limit. To ride on the road the assist must also cut out at 25 km/h (15.5 mph); check the speed setting before you do. GOV.UK e-bike rules
Questions about this bike? +44 7216 788723 · support@kolmaax.site
Spec dashboard
The numbers, at a glance
Read from the listing. Ranges are the manufacturer's stated figures: hills, wind, cold and higher assist levels shorten them.
Main Features
Step-thru Frame
The aluminum step-thru frame comes in 3 stylish color options, opening up the roads for those who are prevented from hopping on a high frame and those who want their own styles.
250W Brushless Motor (Top speed: 15.5mph)
Light and compact yet powerful enough. 250W brushless motor with 38 N.M maximum torque produce 15.5 mph maximum speed. The rear-hub motor is quiet and responsive, offering enough slope-climbing capacity for most urban roads.
Removable 36V / 15.6Ah Battery
Elegant and removable. Integrated 36V 15.6Ah battery with locking key, simple to remove and take home for charging, completely protects the battery’s running safety while riding. A great battery life in assisted mode, lasting up to 87 miles on a single charge.
| Specification | Details |
|---|---|
| Condition | New: Brand-new, unused, unopened and undamaged item in original retail packaging |
| Model | L20 SE |
| Bike Type | E-Folding Bike |
| Type | Fat Tyres |
| Model Year | 2023 |
| Frame Size | Medium |
| Material | Aluminium Alloy |
| Handlebar Type | Riser Bar |
| Wheel Size | 20 in |
| Motor Type | Rear Hub Motor |
| Motor Power | 250 W |
| Voltage | 36 V |
| Torque | 38 N.m |
| Maximum Speed | 25 km/h |
| Max Speed | 25 km/h |
| Maximum Range | Up to 110 km |
| Number of Speeds | 7 Speed |
| Gear Change Mechanism | Derailleur Gears |
| Shifter Style | Thumb Shifter |
| Speed Level | 5 Levels |
| Riding Modes | 1. Electric Mode 2. Classic Mode 3. Pedal-Assist Mode |
| Brake Type | Disc Brake – Mechanical |
| Suspension Type | Front Suspension |
| Features | Adjustable Seat, Basket, Bottle Cage, Display, Lithium-Ion Battery, Mudguards, Step-Through Frame |
| Maximum Load | 120 kg |
| Suitable Height | 155–210 cm |
| Charging Time | More Than 5 Hours |
| Item Length | 172 cm |
| Item Width | 64 cm |
| Item Height | 120 cm |
| Folding Size | 95 × 43 × 75 cm |
| Net Weight of the Bike | 31 kg |
| Item Weight | 68 lbs |
| Gross Weight | 38.4 kg |
| Department | Unisex Adults |
| Custom-Built | No |
| Manufacturer Warranty | 1 Year |
| English User Manual | Download |

Orders are processed within 1–2 business days (Monday to Friday); orders placed at weekends or on public holidays are processed the next business day. Estimated delivery is 3–7 business days within the United Kingdom.
Standard shipping is free on all orders, with no additional shipping fees at checkout.
Once your order ships you'll receive a confirmation email with a tracking number. Read the full Shipping Policy.
To start a return, email support@kolmaax.site with your full name, order number and reason for return (with photos if the item is damaged, defective or incorrect). Items must be unused, in their original packaging and complete with all accessories and parts.
If an item arrives damaged, defective or incorrect, contact us within 48 hours of delivery. Read the full Refund Policy.
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