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0-5 PAS Levels
Adapt to Every Ride
Motor 1800W
Rear-Wheel Drive Motor
Max 500 Lbs
Weight Capacity 500 Lbs
52V 18Ah
Battery Capacity
Range 85 Miles
Single Charge Range
110 Nm
Max 23° Gradient
SGS Certification
UL2849
36 Mph
Max Speed
Compatible Accessories
Order now and receive free fenders and rear rack,ebike headlight, adjustable Shock Absorbers,a total value of $456.
Bike Fenders
$79.00
FREE
Aipas Ebike® Rear Rack
$79.00
FREE
Projector Headlight
$69.00
FREE
Front Fork Suspension
$229.00
FREE
Motor 1800W Power
The M1 Max features a 1800W BLDC motor. The motor is equipped with a 5-level pedal assist system (PAS). At level 1 PAS, the controller can deliver a torque of up to 110 Nm, while at level 5 PAS, the speed can reach 36MPH or higher. The motor utilizes a sinusoidal wave structure and can rotate at a speed of 4478 revolutions per minute within one minute. The BLDC motor boasts low interference, low noise, smooth operation, high speed, high temperature resistance, and a longer lifespan (over 200,000 hours), ensuring stability and reliability in various complex environments and prolonged riding sessions.
Equipped 52V 18Ah battery
At Aipas, battery safety is our top priority. Each battery pack is engineered with a scientifically optimized internal layout and certified to meet MSDS, UN38.3, UN3171, UN3480, and SGS Certified UL2271. Our thermal safety protocols go far beyond industry norms—ensuring zero risk of open flames or thermal runaway even under temperatures as high as 149°F. An integrated thermal protection controller automatically shuts off power in case of overheating, giving you complete peace of mind and reliable protection on every ride.
Click [HERE] to your UL2271 certificate.
Dual Hydraulic Brakes
The Max is equipped with a dual hydraulic braking system, paired with high-performance brake pads made from a 30% carbon fiber and ceramic composite. This setup achieves the perfect balance between powerful braking and quiet operation. Compared to standard braking systems, it delivers 60% more braking power and reduces stopping distance by 30%, ensuring top-tier safety and confidence on every ride.
Air Adjustable Suspension
The Max version brings a major upgrade in comfort, featuring a high-performance air suspension system adjustable up to 250 PSI. Crafted from 6061 aircraft-grade aluminum alloy, it’s both strong and lightweight. Compared to a non-rear-suspension design, vibration is reduced by up to 51%, with a 41mm suspension travel. Whether you prefer a smooth, cushioned ride or a firm, stable feel, the Max lets you fine-tune your suspension for the perfect balance of comfort and control.
High Intensity Projector Headlight
The front headlight features a projector lens design and is equipped with three high-intensity LED bulbs. Compared to the previous generation, brightness is increased by 30%, with an illumination range of up to 100 ft. The focused beam offers wider coverage with reduced glare, effectively minimizing light scatter and enhancing safety for oncoming pedestrians and vehicles.
Premium Components.
Equipped with high-spec components engineered to deliver performance beyond 80% of comparable products on the market.
Lighting Configuration
The front headlight features a lens design with three high-intensity LED bulbs, offering approximately 30% more brightness than standard headlights on the market, with an illumination range of up to 100 feet. It also integrates a horn module for added convenience. The rear light is equipped with a red emergency LED bulb. At night, the lights can be set to stay on continuously, and the tail light will automatically flash when the brakes are applied, enhancing safety.
7-speed Shimano gearbox
7-speed adjustable flywheel, on the one hand, let you feel the fun of traditional riding, on the other hand, you can use the electric drive in the 7 gear, experience the fun of electric plus pedaling.
26" x 4" Puncture Resistant Tires
Equipped with a 26" x 4" puncture-resistant fat tire, it can conquer flat roads, mountain trails, snowy terrain, and gravel paths, providing better traction.
Heavy-Duty Adjustable Front Fork
Featuring a heavy-duty adjustable suspension fork, lets you easily fine-tune the suspension with a simple lockout knob, allowing seamless transitions between smooth pavement and rough terrain.
USB Charging Port
The display integrates a variety of important information display, you can clearly see the speed, power, mileage and other key information; Equipped with a USB charging port underneath the handlebar control switch, you can charge mobile devices such as phone and Gopro to record great moments on the road.
Ebike Geometry
A -- :Maximum Seat Height
27"
B -- :Top Tube Length
22"
C -- :Handlebar Length
26"
D --: Head Tube Length
10"
E -- :Min Seat Height
23"
F -- :Stand Height
19"
G -- :Chain Stay Length
22"
H -- :Wheelbase
52"
I -- :Total Length
80"
J -- :Wheel Diameter
26"
K -- :Handlebar Height
44"
L -- :Minimum Seat to Floor
35"
M -- :Max Seat to Floor
39"
N -- :Rear Rack Length
15"
Your Height
Drag the slider to compare your height with the bike.
65"
5'8"
M1 MAX
Your height is within the recommended range.
M1 MAX
Your height is outside the recommended range for this model, which may affect your riding comfort. We recommend considering a C Series, F3, or A Series model.
Recommended rider height
65" – 84"
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M1 Pro Assembly Instruction
Welcome to our M1 Pro installation guide! This short video will show you how to easily assemble your new electric bike. The video provides clear steps and helpful tips to assist you.
User Manual&Certificate
SGS Certified UL2849 Report
SGS Certified UL2271 Battery Report
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Evaluation By Influencers
-
@Samko Trad Bow 78K+ FOLLOWCan the M1 MAX Handle Your Next Hunting Trip?
See how its upgraded air suspension and hydraulic brakes perform on real-world terrain—and find out if the MAX upgrades are truly worth it.
Air Suspension Hydraulic Brakes All-Terrain Testing -
@betweenthesharksgarage 100K+ FOLLOW3 Reasons to Try an E-Bike in 2026
Add a new way to get around and discover a different kind of beauty along the way. Even short rides can keep you active and feeling great
Installation Guide Features Overview Urban Riding Fitness -
@rvertv 192k+ FollowAipas M1 MAX Off Road Smooth Ride Ebike
The Aipas M1 Max is an upgraded version of the M1 Pro, focusing primarily on safety, ride quality, and rider convenience.
Durable Powerful Sturdy Waterproof Rechargeable -
@Mike Rochester 5K+followIs the MOST POWERFUL Budget E-bike of 2025?
Full riding test in the video and upgraded it with M-Series parts, including air suspension and hydraulic brakes
Installation Guide Ride Test Off-Road Terrain Power Test Range Test -
@HeroesNStuff 38K+FOLLOWElectric Bike TOO FAST To Be THIS CHEAP?
Overall, the bike packs strong performance and a wide range of features at a reasonable price, making it a solid option for riders who want both speed and value.
Powerful motor Easy assembly Comfort Advanced display Adjustable rear suspension
Aipas M1 Max Xterrain ST eBike Overview
The Aipas M1 Max Xterrain ST eBike is the step-through comfort-control model in the Aipas off-road electric bikes lineup. It is built for riders who want easier mounting, strong motor support, and smoother handling on steep hills, forest paths, rough roads, and long mixed-surface routes.
Its 26×4 puncture-resistant fat tires also connect the M1 Max to the Aipas fat tire ebikes collection by adding traction, balance, and comfort across dirt, sand, snow, gravel, and uneven surfaces.
Key Features
1. 1800W Powerful Motor
Motor: 1800W high-torque motor
Torque: 110Nm of climbing support
Off-Road Role: This motor and torque setup helps define the M1 Max’s role in the Aipas off-road electric bikes lineup, supporting steep hills, rugged terrain, and demanding trails with stronger acceleration and control.
Pair it with the Brushless Motor Controller for optimized performance and smooth power delivery.
2. Stable Aluminum Alloy Frame
Material: Lightweight, rust-resistant aluminum alloy
Frame Role: The step-through frame positions the M1 Max as the easier-access comfort model within the Aipas off-road lineup.
Durability: Built to support demanding routes while maintaining comfort and long-term stability.
Design: Sleek, sturdy, and engineered for balanced handling across rough roads, mixed surfaces, and daily riding conditions.
3. Long-Lasting Removable Battery
Battery: 52V 18Ah lithium battery
Range: Up to 85 miles on pedal-assist mode
Charging: Flexible dual-mode charging — built-in waterproof battery charging and removable charging.
Ride Support: Helps the M1 Max cover longer mixed-surface rides, weekend routes, and daily travel without limiting it to short trips.
4. Advanced Suspension System
Front Fork: Adjustable alloy hydraulic locking fork
Rear Suspension: Adjustable air shock suspension for added comfort and stability
Comfort-Control Role: The front suspension and rear air shock are the clearest reasons the M1 Max is positioned as the step-through comfort-control model in the Aipas off-road electric bikes lineup.
Benefit: Reduces vibrations and bumps for smoother, more controlled riding on forest paths, rough roads, rocky paths, and uneven ground.
Enhance your comfort further with the Suspension Seatpost.
5. Reliable Braking System
Brakes: 180mm dual disc brakes
Control: Offers precise, consistent stopping power for heavier fat tire setups, rough roads, changing weather, and uneven riding conditions.
6. Fat Tire Performance
Tires: 26×4 puncture-resistant fat tires
Fat Tire Role: This 26×4 tire setup also connects the M1 Max to the Aipas fat tire ebikes collection.
Surface Fit: Adds traction, balance, and comfort across dirt, sand, snow, gravel, rough roads, and mixed surfaces.
7. Smart LCD Display
Functions: Shows real-time speed, battery level, mileage, and pedal assist levels
Extras: Built-in USB charging port keeps your phone powered while using a Phone Mount for navigation.
8. Versatile Riding Modes
Modes: Cruise control, assist, sport, pedal assist, and pure electric
Transmission: Shimano 7-speed gear system for adaptable riding across city streets, rough roads, and mixed routes.
9. Easy Assembly
Setup: 90% pre-assembled with the front wheel installed for quick setup and ready-to-ride convenience.
Summary
The Aipas M1 Max Xterrain ST eBike is best understood as the step-through comfort-control model within the Aipas off-road electric bikes lineup. Its 1800W motor, 110Nm torque, front suspension, rear air shock, and dual disc brakes define its off-road role for riders who want power, easier access, and smoother handling on rough or changing surfaces.
Its 26×4 fat tires give the M1 Max a secondary connection to the Aipas fat tire ebikes collection, adding traction and comfort on dirt, sand, snow, gravel, rough roads, and mixed surfaces. For riders comparing Aipas Xterrain models, the M1 Max offers easier step-through access with upgraded comfort, while M1 Pro is the simpler step-through option and M2 Max provides a step-over comfort-control setup.
For an enhanced riding experience, explore related gear like the Lighted Cycling Helmet and Cube Electric Air Pump to stay visible, prepared, and ready for changing routes.
Vehicle Specifications
| Specification Name | Specification Value |
|---|---|
| Pedal Assist Range | 85 Miles |
| Electric-Only Range | 36 Mile |
| Top Speed | 36 Mph |
| Dimensions | 80*26*44(Inch) |
| Max Load Capacity | 500Lbs |
| Ebike Net Weight | 79 Lbs |
| Battery Weight | 9 Lbs |
| Torque | 110 Nm |
| Tire Size | 26*4.0, 20psi |
| Battery | 52V*18AH IP65 Waterproof SGS Certified UL2271 |
Electric Motor Control
| Specification Name | Specification Value |
|---|---|
| Display | 52V Lcd Display With USB Charging |
| Pas Levels | 0-5 Pas |
| Throttle | Half-Twist Throttle / Optional Thumb Throttle |
| Maximum Output | 52V/37A, With Temperature Control Protection |
| Motor | 1800W Rear Hub Brushless Motor |
| Freewheel | Shimano 7-Speed Indexing, 14-28T |
| Rear Derailleur | Shimano 14-28T |
| Shifter | Shimano 7-Speed |
| Charger | 2A Smart Charger, UL/FCC Dual Certified |
Frame Assembly
| Specification Name | Specification Value |
|---|---|
| Front Suspension | Aluminum Adjustable Shock Absorbers |
| Front Suspension | Travel Total Length 530mm, Travel 100mm. |
| Rear Suspension | Center-Mounted Rear Shock Absorber |
| Handlebar | Riser Handlebar, Grip Length 104mm, Total Length 66cm |
| Pedals | 9/16", With Reflectors |
| Chain | 1/2"*3/32"*118l, 21-Speed Indexing |
| Crankset | 170mm Crank Arms, 48t Chainring |
What's in the box
Charger*1
Tire*2
Headlight*1
Battery
Keys*2
Pedal*2
Toolkit*1
User manual*1
Product specification
Explore Aipas Ebike lineup, Pick the best ebike for you
| Field name |
Sale Price
$1,099.00
Regular Price
|
Sale Price
$939.00
Regular Price
|
Sale Price
$1,199.00
Regular Price
|
Sale Price
$689.00
Regular Price
|
Sale Price
$739.00
Regular Price
|
|---|---|---|---|---|---|
|
|
|
|
|
| |
| Motor |
1800W
|
1800W
|
4000W
|
750W
|
1500W
|
| Battery |
52V 18Ah
|
48V 17.5Ah
|
60V 28Ah
|
48V 12.8Ah
|
48V 12.8Ah
|
| Torque |
110N.m
|
110N.m
|
255N.m
|
55N.m
|
100N.m
|
| Max Range |
85Miles
|
85Miles
|
60Miles
|
62Miles
|
62Miles
|
| Brakes |
Hydraulic Brakes
|
Disc Brakes
|
Hydraulic Brakes
|
Disc Brakes
|
Disc Brakes
|
| Rear suspension |
Adjustable air suspension
|
Hydraulic suspension
|
Spring suspension
|
-
|
Hydraulic suspension
|
| Total Length |
80"
|
80"
|
59"
|
66"
|
66"
|
| Handlebar Height |
44"
|
44"
|
37"
|
47"
|
47"
|
FAQs
Find quick answers to common questions
Pre Sale
What services are included in the sale price?
The price includes shipping insurance, a 1-year warranty, and unlimited technical support. We've also taken care of the 5%–15% sales tax for you—no additional tax will be charged at checkout.
Does my height suit the M1 Max?
The recommended rider height is 5'5" - 7'2".
Do I need to assemble the bike?
We have already assembled 90% of the bike. You just need to tighten the wheel bolts, install the seat, and attach a few small components, and you'll be ready to go.
Why did I buy two e-bikes but only receive one tracking number or have them arrive at different times?
Since each e-bike is shipped separately, it’s possible that due to the shipping carrier, they may arrive at different times. Please don’t worry. If you have any questions, feel free to contact our customer service department for the latest updates.
Policy
What's your warranty policy?
Aipas offers a one-year warranty on all e-bikes, for more specific warranties, please check our warranty policy.
What's your return policy?
Customers are allowed to submit a return request within 14 days of delivery via service@aipasbike.com. For more specific return and refund, pls check our return policy.
What's your shipping policy?
Time of arrival includes order processing time and shipping time (3-5 working days).you can check more details on our Shipping Policy Page