ITA | 
ENG
FREE SHIPPING STARTING FROM 89€
Fast delivery with express courier
30 DAYS MONEY BACK GUARANTEE
World Dimension R31 Anthracite Grey 250W Folding Electric Fat Bike
World Dimension R31 Anthracite Grey – Folding electric fat bike with a 250W motor, 700Wh battery and 20x4" fat tyres.
✓ 48V 250W Motor – 55 Nm
✓ Integrated 700Wh battery
✓ Shimano 7-speed gears
✓ Wuxing hydraulic disc brakes with cut-off
✓ Alloy wheels and front suspension
✓ Folding aluminium frame
BATTERY 30+: free battery replacement after 30 months, subject to official programme terms and scheduled servicing.
✅ In stock at MognettiBike!
World Dimension R31 Anthracite Grey – 250W Folding Electric Fat Bike
The World Dimension WD99 R31 is a folding electric fat bike featuring a 250W rear hub motor, integrated 700Wh battery and oversized 20x4-inch fat tyres. Its folding aluminium frame, distinctive alloy wheels and Anthracite Grey finish combine practicality with modern styling.
In stock at MognettiBike in Palazzolo sull'Oglio, Italy.
250W Rear Hub Motor with 55 Nm Torque
The R31 features a 48V 250W brushless rear hub motor delivering a manufacturer-stated torque of 55 Nm for electric pedal assistance.
Integrated 700Wh Lithium Battery
The integrated 48V 700Wh lithium battery offers substantial energy capacity. Actual riding range depends on assistance level, rider weight, terrain and environmental conditions. The manufacturer quotes a charging time of approximately 4-5 hours.
Folding Aluminium Frame
The EN AW 6061 T6 aluminium frame features a folding mechanism designed to reduce the bicycle's overall size for convenient storage.
20x4-Inch Fat Tyres and Alloy Wheels
The CST BFT 20x4.0 fat tyres and multi-spoke alloy wheels give the R31 its distinctive appearance. A front suspension fork helps improve comfort over uneven surfaces.
Shimano 7-Speed Drivetrain
The drivetrain includes a Shimano RD-TY300 7-speed rear derailleur and Shimano MF-TZ500 14-28T freewheel.
Wuxing Hydraulic Disc Brakes
The R31 is equipped with Wuxing PYD 240 hydraulic disc brakes, motor cut-off sensors and 160 mm front and rear brake rotors.
LCD Display and Practical Equipment
The LCD display provides essential riding information. A rear luggage rack, mudguards and lighting complete the bicycle's equipment.
World Dimension R31 Technical Specifications
- Brand: World Dimension / WD99
- Model: R31
- Colour: Anthracite Grey
- Frame: Folding EN AW 6061 T6 aluminium
- Motor: 48V 250W brushless rear hub
- Torque: Manufacturer-stated 55 Nm
- Battery: Integrated 48V 700Wh lithium
- Rear Derailleur: Shimano RD-TY300, 7-speed
- Freewheel: Shimano MF-TZ500 14-28T
- Brakes: Wuxing PYD 240 hydraulic with motor cut-off
- Rotors: 160/160 mm
- Tyres: CST BFT 20x4.0
- Wheels: Multi-spoke alloy wheels
- Suspension: Front suspension fork
- Claimed Charging Time: 4-5 hours
- Frame Size: One size
- Availability: In stock
World Dimension BATTERY 30+ Programme
The World Dimension R31 may qualify for the BATTERY 30+ programme, offering free battery replacement after 30 months, subject to the required scheduled maintenance and official programme terms.
WD99 BATTERY 30+ – A New Battery in the 30th Month
With the exclusive World Dimension WD99 BATTERY 30+ programme, your eligible electric bike benefits from scheduled maintenance services and free replacement of its original battery in the 30th month after purchase, subject to the programme conditions.
Benefits of the BATTERY 30+ Programme
✓ Free new battery in the 30th month – Replacement with a new original WD99 battery.
✓ 3 maintenance services with free labour – Technical inspections and basic adjustments.
✓ Scheduled maintenance – Services within 8, 16 and 24 months of purchase.
✓ Service reminders – World Dimension monitors and reminds customers of upcoming maintenance deadlines.
How Does the Programme Work?
To qualify for the programme, the electric bike must be registered at the time of purchase and all three scheduled maintenance services must be completed on time.
Maintenance includes checks of the battery, braking system, drivetrain, wheels and other essential bicycle components.
Important Terms and Conditions
Free battery replacement in the 30th month requires all three maintenance services to be completed and registered correctly, retention of the original battery, and no unauthorised modifications or misuse.
Replacement parts, consumables and additional repairs are not included in the free-labour maintenance services and remain the customer's responsibility.
World Dimension Technical Support at MognettiBike
When purchasing an eligible World Dimension electric bike from MognettiBike, you can rely on our specialist workshop for scheduled maintenance and dedicated technical assistance.
The programme is subject to the official World Dimension WD99 BATTERY 30+ terms and successful registration.
World Dimension R31 – In Stock at MognettiBike
The World Dimension R31 Anthracite Grey is available from MognettiBike, a specialist electric bicycle retailer and workshop in Italy. Contact us for product information, purchasing options and shipping details.
| Brand | World Dimension |
|---|
Fast & Reliable Shipping in Italy
Place your order by 12:00 PM (GMT +1), Monday to Friday, and we’ll dispatch it the same business day. In many cases, we can process orders placed later as well.
If your order is placed on a public holiday or includes changes or special requests, shipping will be postponed to the next working day.
We ship exclusively with trusted express couriers. Estimated delivery times:
- 24 business hours for most mainland destinations
- Up to 48 hours for islands or remote areas
A tracking code will be sent by email once the order has shipped. In some cases, tracking may activate within 24 hours after dispatch.
All items are carefully packaged to ensure safe and secure delivery.
Accepted Payment Methods
- Major credit and debit cards
- PayPal
- Bank transfer
- Installment payments via Heylight (available only in Italy)
Buy Now, Pay Later with Heylight
For customers in Italy, we offer the option to split your purchase into monthly payments with Heylight. Simply select this option at checkout and complete the financing request via the secure Heylight portal. Approval is usually received within minutes. Once confirmed, we’ll ship your order immediately.
Need Help?
Send us a WhatsApp message (text only – no calls)
Returns and Refunds
How to Request a Return
You can return your order within 30 days from the delivery date, with the exception of E-Bikes and bicycles, which are covered by the manufacturer's warranty.
Returning a product is quick and easy. Just follow these steps:
- Email us at shop@mognettibike.it including your personal details and order number.
- You’ll receive a confirmation email with your return number and further instructions.
- Write your order number clearly and follow the provided return instructions.
- Use the original packaging to prepare your return.
- If you can't print the return form, include a note in the box with the name and order number of the purchaser.
- Seal the package carefully.
- We’ll send you a confirmation email as soon as the return arrives at our warehouse.
Is the Return Free?
Returns are free of charge for most products. However, E-Bikes and bicycles are excluded and fall under the manufacturer's warranty. Shipping for these returns may be at the customer's expense.
When Will I Receive My Refund?
Once your return is approved, we will issue a refund using the same payment method you used for your order. Refunds are processed within 30 days of receiving your returned item at our facility.
Need Help?
If you have any questions or need assistance, please contact our support team. We’re here to help.
For full details, visit our Returns and Refunds page.
