ENGWE Mapfour N1 Air ST Step-Through Lightweight Carbon-Fibre Electric Bike 250W
ENGWE Mapfour N1 Air ST Step-Through Lightweight Carbon-Fibre Electric Bike 250W
Lightweight step-through city e-bike
Ride lighter, smarter and freer every day
Built for riders who want easy access, smooth support and a premium commuter feel.
Carbon fibre frame, Samsung battery and smart security set it apart.
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DESCRIPTION
WHO THIS BIKE IS FOR
✅ Daily commuters who want a lighter, premium city e-bike
✅ Riders who prefer easier step-through access
✅ Anyone replacing short car journeys with cleaner transport
✅ People who want smooth assist, not a jumpy ride
✅ City riders who value Samsung battery reassurance
✅ Qwners who want smart security for urban parking
✅ Riders who want everyday transport to feel calm and clever
ABOUT THIS BIKE
The ENGWE N1 Air ST e-bike feels light, calm and quietly premium from the first ride.
Its step-through carbon fibre frame makes daily riding easier, with less effort getting on and off.
The 250W motor supports you up to 15.5 mph for confident daily travel.
The Samsung battery gives up to 62 miles / 100 km in PAS 1.
Torque-sensor assist, 700C tyres and Shimano 7-speed gearing help every ride feel smooth and steady.
WHY RIDERS LOVE THIS BIKE
✅ Light handling that makes quick city journeys feel easy
✅ Step-through access that removes the faff from every ride
✅ Smooth torque-sensor support that responds naturally to your pedalling
✅ Samsung battery confidence for workdays, errands and relaxed weekends
✅ Smart security features that feel reassuring in busy places
✅ A premium commuter feel without losing everyday practicality
KEY FEATURES, REAL BENEFITS
✅ Lightweight Carbon Fibre Frame: carbon fibre construction helps the N1 Air ST feel agile and premium
✅ Easy Step-Through Access: the open frame makes getting on and off simpler in daily use
✅ Samsung Removable Battery: 36V 10Ah Samsung battery supports up to 62 miles / 100 km in PAS 1
✅ Torque-Sensor Assist: torque sensing reads your pedal force for smoother, more natural support
✅ 250W Rear Hub Motor: MIVICE rear hub motor provides quiet support for city riding and gentle climbs
✅ Smart Security Technology: motion detection, GPS tracking and geo-fencing help keep the bike traceable
✅ Shimano 7-Speed Gearing: Shimano gearing gives useful flexibility for starts, slopes and changing routes
✅ 700C City Tyres: 700 x 38C tyres help the bike roll smoothly across urban surfaces
✅ Mechanical Disc Brakes: 160 mm front and rear mechanical disc brakes give reliable stopping control
✅ Integrated Commuter Lights: front light and solar tail light add everyday visibility and reassurance
VIDEOS
SPECIFICATION
PERFORMANCE
- Range: Up to 62 miles / 100 km (PAS 1) *
- Motor: 250W MIVICE M070 rear hub motor
- Torque: 40 Nm
- Maximum Assisted Speed: Up to 15.5 mph / 25 km/h
- UK Road Legal Electric Bike: no licence or insurance needed
- Maximum Climbing Degree: 10°
ELECTRICAL COMPONENTS
- Battery: 36V 10Ah / 360Wh Samsung removable lithium-ion battery
- Recharge Time: about 5 to 8 hours
- Charger: battery charger included
- Display: LCD colour display
- Sensor: torque sensor
- Lights: front light and solar tail light
- Smart Security: motion detection, GPS tracking and geo-fencing
- iOT Function: first year included; renewal required after the free period
BUILD
- Frame: carbon fibre step-through frame
- Brakes: 160 mm front and rear mechanical disc brakes
- Tyres: 700 x 38C spoke tyres
- Fork: aluminium fork
- Mudguards: front and rear mudguards included
- Kickstand: included
SIZE & FIT
- Recommended Rider Height: 5'1" to 6'2" / 155 to 188 cm
- E-bike Weight: 16.4 kg
- Gross Weight: 25.4 kg
- Payload Capacity: 120 kg
- Package Dimensions (L x W x H): 146.4 x 22.5 x 73 cm
TRANSMISSION
- Number of Gears: 7
- Gearing: Shimano 7-speed
*Results obtained with an 75kg rider, on a flat road at 25℃. Actual performance will vary depending on pedal assist level, temperature, terrain, road conditions, wind, load, rider's weight and tyre pressure etc
Please note: All stated weight numbers have a +/- 3-5% tolerance. Bike Weight includes the battery but excludes all accessories.
IN THE BOX
- N1 Air ST e-bike
- 36V 10Ah Samsung lithium-ion battery
- Battery charger
- Pedals
- Front and rear mudguards
- Bike kickstand
- Assembly tools
- User manual
SIZE GUIDE
Recommended Rider Height: 5'1" to 6'2" / 155 to 188 cm

A – Wheelbase: 109.1 cm
B – Total Length: 179.7 cm
C – Reach: 42 cm
D – Stand over Height: 75.8 cm
E – Min Saddle Height: 84.5 cm
F – Max Saddle Height: 100 cm
G – Min Handlebar Height: 105 cm
H – Max Handlebar Height: 112 cm
Please note: There may be a difference of 0–5 cm between measured and actual data.
DELIVERY
FREE & FAST DELIVERY
Delivery time is between 6-9 working days from the date you placed your order.
Once your order has been placed, assuming it is in stock and available for dispatch, we will charge your card and your order will be dispatched within 5 working days. We will send you tracking details by email within 48 hours of your order being dispatched. If you have not received tracking details within 6 working days, please reach out to us via email at info@chargeandglide.co.uk so that we can help.
Please note that deliveries to locations outside the UK mainland may take longer and may be subject to additional charges. Please get in touch with us for a personalised delivery quote.
MISSED DELIVERIES
Once your order is ready for dispatch, either we or our designated courier will contact you via email, telephone or SMS with tracking information and where applicable, to arrange a suitable delivery window. Please ensure that someone is present at the specified delivery address to receive and sign for your item. If you need to reschedule your delivery, we kindly ask that you notify us or the courier as soon as possible.
Please be aware that once a delivery slot has been confirmed, we cannot guarantee changes can be accommodated without sufficient notice.
Important: If a delivery attempt fails and a new date or time must be arranged, you may be liable for paying the redelivery cost. For e-bike deliveries to mainland UK, this charge is typically approximately £75 + VAT.
Please see full details of our Shipping & Delivery Policy here
ASSEMBLY
Every ENGWE e-bike arrives securely boxed and 90% assembled.
Any post-delivery assembly requires minimal bicycle knowledge and skills. Detailed instructions and all the necessary assembly tools are included in the box.
Once delivered, simply fit on the front wheel, saddle, handlebars and pedals and then you're ready to ride!
Please see the unboxing video here
Download the N1 Air ST User Manual here
WARRANTY & SUPPORT
1 YEAR MANUFACTURER'S WARRANTY
Excellent aftercare comes as standard. This electric bike comes with a 1 year warranty, so you can ride away with added peace of mind.
Please note: This warranty does not cover consumable parts and regular wear and tear, damage from accidents, incidental damages or any usage outside the operational guidelines provided in the user manual.
For more details, please contact us at info@chargeandglide.co.uk
SPREAD THE COST & 0% FINANCE
We offer flexible ways to pay for your e-bike:
SHOP PAY INSTALMENTS
Pay over 3, 6, or 12 monthly instalments
✅ Know exactly what you’ll pay
✅ No credit impact to apply
✅ No late fees
Choose Pay in instalments at checkout
PAY IT MONTHLY
Spread the cost with PayItMonthly, with flexible 2 to 12 month instalment plans, all interest free.
Order between £1,000 and £3,000 and choose a plan that suits your budget at checkout.
✅ Interest-free instalments available
✅ Flexible 2 to 12 month plans
✅ Choose your initial payment and monthly plan
✅ Clear monthly payments with no hidden costs
How it works:
1️⃣ Select PayItMonthly at checkout
2️⃣ Choose your preferred initial instalment amount and number of months
3️⃣ Complete your purchase and pay monthly with 0% interest
Please note: Monthly finance is available on selected brands and models only. Where a product is already heavily discounted or priced very competitively, we may not be able to offer finance at the sale price or combine it with promotional discounts.
KLARNA
Split the cost with Klarna Pay in 3, three interest-free instalments every 30 days.
Or Buy Now & Pay Later in 2 weeks to 2 months, with no interest or fees. Pay early or extend your due date in the Klarna app.
✅ Interest-free instalments available
✅ Quick approval process
✅ No interest or late fees when you pay on time
How it works:
1️⃣ Select Klarna at checkout
2️⃣ Choose your preferred payment plan (options depend on order amount and eligibility)
3️⃣ Complete your purchase, Klarna will manage your payments automatically
PAYPAL PAY IN 3
Spread the cost over three interest-free monthly payments using your PayPal account. Easy setup, no sign-up fees or late charges.
✅ Interest-free instalments available
✅ Instant approval decision
✅ Payments taken automatically
How it works:
1️⃣ Select PayPal at checkout and choose Pay in 3
2️⃣ Complete your purchase with the first payment today
3️⃣ The remaining payments are taken automatically each month
CYCLE TO WORK SCHEME
Is your employer signed up to a Cycle to Work scheme, or willing to join one?
The Cycle to Work Scheme is a government-backed salary sacrifice programme that supports healthier commuting and reduces environmental impact, while allowing you to get a new bike through your employer and pay for it in tax-efficient monthly instalments.
You could save up to 42% on the cost of an e-bike while spreading the payments over time through your salary, making it a more affordable and practical way to commute.
We currently work with the following Cycle to Work providers:
✅ Gogeta
✅ Cycle Solutions
✅ Caboodle
✅ VIVUP / Perkbox
ALREADY HAVE A CYCLE TO WORK VOUCHER?
To place your order, email your voucher (Certificate or Letter of Collection) to info@chargeandglide.co.uk.
Cycle to Work orders cannot be processed through our website checkout.
Please also include:
✅ Your chosen bike, including the model and colour
✅ The frame size, if applicable
✅ Any accessories you would like included
✅ Your full delivery address
✅ Your email address
✅ Your contact mobile number for delivery updates
✅ A valid proof of ID, such as a passport or driving licence
Providing all this information upfront helps us process your order quickly and avoid delays.
We’ll redeem it, confirm your order, arrange delivery, and keep you updated with tracking details.
IMPORTANT INFORMATION
ℹ️ Free gifts and discount codes apply to outright purchases only and are not available on Cycle to Work orders
ℹ️ Your certificate value must match the full order amount
SIGNED UP TO A SCHEME BUT DON'T HAVE A VOUCHER YET?
Ask your employer to raise a Cycle to Work quote for the value of the bike you want.
Once your voucher is issued, email it to us and we’ll take care of the rest.
For further guidance and a full step-by-step explanation of how the scheme works, please see our dedicated Cycle to Work page here.
NEED HELP?
If you have questions about eligibility, providers, bike choice, or how the process works, just get in touch. We’ll guide you through it step by step.
PAYMENT METHODS
We accept a wide range of payment methods including PayPal, Klarna, all major Credit/Debit cards and Bank Transfer.
All payments are secure using industry-standard encryption.
Choose your preferred payment method at checkout for a safe and smooth experience.
BANK TRANSFER
Pay by Bank Transfer and save 2%
Let us know which bike you’d like and we’ll send you an invoice with the 2% discount already applied.
CREDIT/DEBIT CARD
Pay conveniently and securely by debit from your credit/debit card, we accept all major cards (VISA, Mastercard or American Express). Enter your card number, validity and verification number and we will transmit the data using secure encryption.
If your card is unlocked for 3D-Secure, then you will be forwarded to the security questionnaire for your bank. Then a few seconds later your order will be processed. The payment will be debited only upon dispatch of your goods.
PAYPAL
Using your PayPal account you can pay for your order fast, simply and securely. We usually receive an immediate payment confirmation from PayPal and we can then process your order straight away. Your payment with PayPal is always free, as Charge & Glide pay the processing fees.
Don’t have a PayPal account? Visit www.paypal.co.uk and register your bank account in just a few clicks, as you only need to provide your e-mail address, home address and bank account. PayPal enables you to make secure payments online without needing to pass on your bank details to third parties.
KLARNA
Buy now and “Pay Later” with Klarna, pay within 2 weeks to 2 months with no interest or fees, and pay early or extend your due date in the Klarna app.
WHY CHARGE & GLIDE?
PRICE MATCH PROMISE
Never overpay for your ride
Our close long-standing relationships with top brands mean you always get the best price without the search.
We offer a price match guarantee on all our leading brands, if you find the same e-bike for less, we’ll match it, guaranteed. Please see terms and conditions.
FREE & FAST DELIVERY
Your new ride, at your door, fast!
Enjoy free and fast UK mainland delivery on all orders over £500. Our nationwide warehouse network means speed and reliability, wherever you are.
WARRANTY & RETURNS
Buy with complete peace of mind
Every product comes with a full manufacturer’s warranty and easy 14-day returns.
If anything goes wrong under normal use, we’ll arrange repairs or replacements quickly.
Please see our Returns Policy for full terms and conditions.
5-STAR CUSTOMER SERVICE
Help when you need it, before, during, and after your purchase
We’re here to answer questions, solve problems, and keep you riding.
You can get in touch with us anytime. Call, email or drop us a message and we will be happy to help you. See how to contact us here.
EXPERT TEAM SUPPORT
Find your perfect ride with confidence
We know buying an electric vehicle is a carefully considered purchase and you’re in safe hands with us.
Our friendly, knowledgeable team will guide you smoothly through the buying process, making it easy to choose the right model for your needs and we’ll still be here once you’re out riding.
ACCESS TO MECHANICS NATIONWIDE
Servicing and repairs, sorted!
We’ll connect you with experienced and trusted mechanics across the UK to keep your ride in top condition, so you can glide worry-free.
SPREAD THE COST, START RIDING SOONER
Get riding today with flexible, interest-free payment options
Spread the cost with PayItMonthly, Shop Pay Instalments, Klarna or PayPal, with 0% finance available to make owning your e-bike simple and affordable.
CYCLE TO WORK SCHEME
Save up to 47% on your dream e-bike
Make the switch to electric commuting and save big through the government's Cycle to Work scheme.
Save up to 47% by paying through your salary. An easy way to invest in your health, your wallet, and the planet. We'll help you get started with your employer today.
PAYMENT SECURITY
Shop with total confidence
Our site uses advanced encryption to keep your payment and personal details 100% safe and protected.
RETURNS
14-DAY RETURNS
We want you to be happy with your purchase, but if you need to return or exchange an item, here’s how it works:
STEP ONE: YOU HAVE 14 DAYS TO REQUEST A RETURN
Contact us within 14 days of receiving your item to let us know you’d like to return it.
To request a return please email us at returns@chargeandglide.co.uk with your order number and the reason for the return.
Important Notes:
Items sent back without requesting a return first will not be accepted.
If 14 days have gone by since your purchase, we cannot offer you a refund or exchange.
Please note that the 14 days return period is to allow you to examine the goods as you would in a shop.
STEP TWO: YOU HAVE A FURTHER 14 DAYS TO RETURN THE ITEM
If your return is accepted, we will send you full return instructions on how and where to send your package. You’ll then have another 14 days to return the item.
Overall, you have a total of 28 days from the day your order arrives to complete a return
To be eligible for return, your item must be:
- In the same condition you received it "as new", boxed, unused and unaltered condition.
- With all tags and original packaging in place.
- With any manuals, accessories and boxes intact and in their original condition.
- To obtain a full refund, the goods must be returned in an "as new" condition. "As new" condition is defined as resaleable.
- Accompanied by proof of purchase (e.g. receipt).
Return Shipping:
- You’ll need to cover the return delivery cost and for some brands a restocking fee, unless the item is faulty or damaged.
- We recommend you use a tracked and insured service, we’re not responsible for returns lost in the post.
- Kindly email us the tracking number once your return is on the way.
Your statutory rights are not affected by our Returns Policy. To the extent that any provision in our Returns Policy conflicts with your statutory rights, your statutory rights will prevail and the offending provision in our Returns Policy will be deemed inapplicable.
You have a 30 day right to reject under the Consumer Rights Act 2015 & 14 day right to return under the Consumer Contracts Regulations 2014.
For any questions about returns please email us at returns@chargeandglide.co.uk
DAMAGES AND ISSUES
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.
We ask that you thoroughly inspect all items at the point of delivery. If you discover that an item has been damaged, please send clear photos and/or videos of the damaged items within 48 hours of receipt of your order to info@chargeandglide.co.uk so that we can open an insurance claim on your behalf.
Please save all packaging materials and damaged goods in their original condition before filing a claim.
If your bike develops a fault through normal use (as outlined in the manufacturer's manual) you could be entitled to a repair or replacement as covered with the warranty. Please send through details of the fault to info@chargeandglide.co.uk and we will arrange the repair or replacement with the manufacturer. Please note, any fault due to misuse of the bike is not covered by this policy. Please ensure you read the manufacturer's manual in detail before using your electric bike to avoid voiding your warranty.
EXCEPTIONS / NON-RETURNABLE ITEMS
Certain types of items cannot be returned, like custom products (such as special orders or personalised items), and hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.
Unfortunately, we cannot accept returns for items purchased on gift cards.
EXCHANGES
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
For any questions about returns please email us at returns@chargeandglide.co.uk
Please see full details of our Returns Policy here
CANCELLATIONS & REFUNDS
Any orders cancelled after 12 hours of placing the order may be subject to additional fees. If your order has been dispatched, you (the buyer) will be responsible for any costs associated with returning the item.
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method.
Any delivery fees will be deducted from your refund amount.
Any refunds can only be issued to the same original payment method that was used to place the order.
Please remember it can take some time for your bank or credit card company to process and post the refund too.
ABOUT US
Welcome to Charge & Glide, your ultimate destination for premium electric bikes in the UK!
We believe every e-bike journey is deeply personal and a way to conquer hills, discover new roads, and unlock freedom!
Our riders choose us because we don’t just offer bikes, we offer a shared passion and purpose. We understand their dreams and challenges because we’re a small family-owned business, built on connection and care.
Our customers become part of the Charge & Glide family, a community of like-minded explorers who value health, sustainability, and authentic connection. Together, we empower each other to live fully, ride confidently, and make a positive impact on the environment.
With every ride, you feel supported, inspired, and connected to something bigger than yourself. We’re more than a brand, we’re your partner on the journey to a freer, healthier, and kinder world.
Charge up and glide into a greener tomorrow!
OUR MISSION
At Charge & Glide, our mission is to make eco-friendly, healthy travel the easiest and most rewarding choice for people across the UK.
Every journey you take with us is designed to boost your well-being, reduce your carbon footprint, and contribute to a cleaner, greener future.
We believe every ride should have a lasting impact, not just on your health, but on our planet.
That’s why we proudly donate 10% of our annual profits to the Woodland Trust, the UK’s largest woodland conservation charity. Together, we’re helping to protect precious ancient woodlands, restore vital habitats, and plant new trees for generations to come.
When you choose Charge & Glide, you’re not just buying an e-bike, you’re joining a movement for healthier people and a healthier planet.

4.9
ENGWE Mapfour N1 Air ST Step-Through Lightweight Carbon-Fibre Electric Bike 250W Review Summary
4.9
WHAT PEOPLE LIKE
PROS
- Lightweight Frame: Reviewers appreciate the carbon fibre frame making it easier to handle and transport.
- Long Range: The 100km range is a significant selling point, allowing for longer rides without needing to recharge.
- Step-Through Design: Makes mounting and dismounting the bike easier, particularly for those with mobility issues.
- Stylish Design: Some reviews mention the bike's sleek and modern aesthetic.
CONS
- Braking power: The mechanical disc brakes are not the most effective for sudden, hard stops.
- Limited climbing ability: The motor's torque is not sufficient for tackling steep hills without significant rider effort.
- Minor component issues: Some reviewers experienced rattling mudguards and a limited gear range.
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