Oasis One 250W Electric Bike for Adults, 20" x 4.0" Fat Tyre, 48V 15Ah Battery, Up to 25 km/h, Up to 120 km Range, Shimano 7-Speed- Sand

Electric bikeFat tyre7-speed

Oasis One 250W Electric Bike for Adults, 20" x 4.0" Fat Tyre, 48V 15Ah Battery, Up to 25 km/h, Up to 120 km Range, Shimano 7-Speed- Sand

  • 250W motor
  • 720Wh battery
  • 120 km range
  • 20″ fat tyre
£699.00

Colour: Sand

  • 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, assist to 25 km/h — within the UK EAPC power and speed limits, so no licence, tax or insurance is needed to ride it on the road (riders must be 14+). 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.

Motor250Wrated power
Battery720Wh48V × 15Ah (calculated)
Range120kmmanufacturer stated
Assist to25km/h≈ 15.5 mph
Wheels20″fat tyre

250W Rear Hub Motor

The Oasis One electric bike is equipped with a 250W rear hub motor designed for commuting, leisure riding, and everyday transportation. The motor provides pedal assistance up to 25 km/h in accordance with applicable e-bike regulations.

48V 15Ah Removable Battery

The bike features a 48V 15Ah removable lithium-ion battery with a capacity of 720Wh. The battery can be removed for convenient charging and supports a manufacturer-stated range of up to 120 km per charge under standard test conditions.

20″ x 4.0″ Fat Tyres

The Oasis One is fitted with 20 x 4.0-inch fat tyres designed to provide traction and stability across a variety of riding surfaces. The wider tyre profile supports riding on urban roads, gravel paths, and uneven terrain.

Shimano 7-Speed Drivetrain

A Shimano 7-speed gear system allows riders to adjust gearing according to different road conditions and riding preferences for greater versatility during daily use.

Hydraulic Disc Brakes

Front and rear hydraulic disc brakes provide controlled braking performance and responsive stopping in a range of riding conditions.

Front Suspension Fork

The front suspension fork is designed to absorb vibrations and impacts from uneven surfaces, contributing to rider comfort during longer journeys.

LCD Display

An integrated LCD display provides access to key riding information including speed, battery level, pedal assist mode, and trip data.

Integrated Lighting System

The bike includes front and rear lights to improve visibility during low-light riding conditions.

Rear Cargo Rack

A rear cargo rack is included for carrying compatible luggage, shopping bags, or everyday essentials.

Product Specifications

• Model: Oasis One
• Type: Electric Bike
• Motor: 250W Rear Hub Motor
• Battery: 48V 15Ah Removable Lithium-Ion Battery
• Battery Capacity: 720Wh
• Top Speed: Up to 25 km/h
• Maximum Range: Up to 120 km
• Gear System: Shimano 7-Speed
• Brakes: Hydraulic Disc Brakes
• Suspension: Front Suspension Fork
• Display: LCD Display
• Tyre Size: 20″ x 4.0″
• Lighting: Front and Rear Lights
• Frame Material: Aluminium Alloy
• Maximum Load Capacity: 150 kg

Package Includes

• 1 × Oasis One Electric Bike
• 1 × 48V 15Ah Battery
• 1 × Battery Charger
• 1 × Tool Kit
• 1 × User Manual
• 1 × Rear Cargo Rack

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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