Asus is stepping into the growing personal mobility market with the Oxiis E250G1, a compact clip-on electric drive system designed to transform a conventional bicycle into an e-bike. Instead of replacing your existing bicycle, the system adds motorized assistance through a friction-drive mechanism, giving riders an easier way to tackle hills, longer commutes, and demanding routes.
The Oxiis name combines the Greek word Oxis, associated with agility, and Axis, representing a pivot. Asus says the concept reflects the system’s focus on quick acceleration and responsive assistance while riding.
What makes the Oxiis E250G1 particularly interesting is its universal approach. The unit is designed to work with a wide selection of bicycle styles, from city and road bikes to gravel, folding, hybrid, and hardtail mountain bikes.
Asus Oxiis E250G1: What Is It?
The Asus Oxiis E250G1 is a friction-drive electric bicycle conversion system. Rather than requiring riders to purchase a dedicated e-bike, the clip-on device attaches to a compatible bicycle and provides motor assistance.
The system produces 250W of rated power, while its motor can reach up to 500W of peak output. This gives riders additional assistance when accelerating, climbing hills, or dealing with challenging terrain.
Its relatively compact design also means the conversion system can be removed, allowing the bicycle to remain usable as a conventional bike when electric assistance is not needed.
Asus Oxiis E250G1 Features
250W Motor With 500W Peak Output
At the heart of the Oxiis E250G1 is a 250W motor with a peak output of 500W. Asus has designed the system to provide assistance without turning the bicycle into a permanently modified electric bike.
One of the standout features is Adaptive Boost Technology. The system can detect the slope ahead and adjust the level of motor assistance when climbing. This could be particularly useful for commuters who regularly encounter hills and want extra power without constantly changing settings manually.
The system offers three riding modes:
Eco Mode
Eco is designed to prioritize efficiency and battery life. Asus rates the system for approximately 50 km (31 miles) of range in this mode under its stated conditions.
It should be the most suitable setting for relatively flat roads, longer rides, and situations where maximizing battery life matters more than acceleration.
Normal Mode
Normal mode provides a balance between performance and efficiency. It is intended for everyday riding, making it a practical choice for commuting, errands, and general cycling.
Sport Mode
Sport mode delivers stronger assistance for demanding situations such as steep climbs and faster riding. The increased power comes at the expense of range, with Asus quoting around 10 km in Sport mode.
Actual range will naturally depend on factors such as rider weight, terrain, temperature, riding style, tire pressure, and how frequently the motor is used.
158.4Wh Removable Battery
The Oxiis E250G1 gets its power from a 158.4Wh, 36V battery. One useful aspect of the design is that the battery is removable.
That means users do not necessarily have to bring the entire bike close to a power outlet. The battery can be removed and charged separately, which could be convenient for apartment dwellers, office workers, or commuters.
Asus says a full charge takes approximately two hours when using a 100W USB Type-C Power Delivery charger.
The removable design also makes the system easier to store when the bicycle itself is kept outside or in a shared parking area.
Compact and Lightweight Design
Despite adding an electric drive system to a conventional bicycle, the Oxiis E250G1 weighs 3.7 kg including the battery.
The unit measures 400 x 84 x 128 mm, making it relatively compact for an electric conversion system.
Asus has also designed the system around a broad range of bicycle configurations. It supports wheels from 16 inches to 29 inches, along with 700C wheels, and can accommodate tires up to 60mm wide.
The seatpost clamp supports diameters between 25.4mm and 34.9mm, which should allow the system to work with many standard bicycle frames.
Designed for Different Types of Bikes
One of the biggest selling points of the Oxiis E250G1 is its universal compatibility.
Asus says the system can work with a variety of bicycle types, including:
- City bikes
- Road bikes
- Gravel bikes
- Folding bikes
- Hybrid bikes
- Hardtail mountain bikes
This makes the product particularly appealing to cyclists who already own a bicycle they like and do not want to spend money on an entirely new e-bike.
However, compatibility will still depend on the individual bicycle’s frame, seatpost, wheel, and tire configuration. Riders should check the system’s compatibility requirements before purchasing.
Smart Taillights Add a Safety Feature
Asus has also integrated smart taillights into the Oxiis E250G1. The lights can detect braking and illuminate accordingly.
Automatic brake illumination can be useful in traffic because it gives vehicles and cyclists behind the rider a clearer indication that the bike is slowing down.
The system also carries an IPX4 water-resistance rating, meaning it is designed to handle water splashes but should not be treated as completely waterproof.
Asus Oxiis App
The Oxiis E250G1 can also connect with an Asus Oxiis app for Android and iOS devices.
The app provides another way to manage the three riding modes, allowing users to switch between Eco, Normal, and Sport depending on their route and riding requirements.
The integrated physical button provides an alternative for riders who prefer not to use their smartphone while cycling.
Asus Oxiis E250G1 Specifications
| Specification | Details |
|---|---|
| Motor Power | 250W rated / 500W peak |
| Battery | 158.4Wh, 36V |
| Range | Up to 50 km / 31 miles in Eco mode |
| Weight | 3.7 kg with battery |
| Max Speed | Up to 32 km/h |
| Regional Speed Limit | 25 km/h in certain regions |
| Charging Time | Around 2 hours |
| Charger | 100W USB Type-C PD |
| Wheel Compatibility | 16-inch to 29-inch, plus 700C |
| Maximum Tire Width | Up to 60mm |
| Waterproof Rating | IPX4 |
| App Support | Android and iOS |
| Riding Modes | Eco, Normal, Sport |
| Dimensions | 400 x 84 x 128 mm |
Speed May Depend on Local Regulations
Asus lists a maximum speed of 32 km/h for the Oxiis E250G1. However, the actual assisted speed can be restricted to 25 km/h in certain regions.
That is important because e-bike regulations differ between countries and, in some cases, between states or local jurisdictions. Riders should check the rules that apply to electric bicycles in their location before using the system on public roads or bike paths.
Asus Oxiis E250G1 Price and Availability
Asus has not yet announced official pricing or availability for the Oxiis E250G1.
That makes it difficult to determine how competitive the product will be against other e-bike conversion kits and entry-level electric bicycles. Its value will ultimately depend on its launch price, availability in different markets, installation requirements, and real-world performance.
Final Verdict
The Asus Oxiis E250G1 takes an interesting approach to electric mobility by adding motor assistance to a bicycle users may already own. Its 250W motor, 500W peak output, removable 158.4Wh battery, three riding modes, adaptive assistance, smart taillights, and broad bicycle compatibility give it plenty of potential.
The compact 3.7kg design is another advantage for riders who want electric assistance without committing to a full-size e-bike.
The biggest unanswered question is the price. Until Asus reveals how much the Oxiis E250G1 will cost and where it will be sold, it is difficult to say whether it will become a compelling alternative to traditional e-bikes and other conversion systems.
For cyclists who want a lightweight and flexible way to add electric assistance to an existing bicycle, however, the Oxiis E250G1 is certainly a product worth watching.
FAQs
Q1. What is the Asus Oxiis E250G1?
The Asus Oxiis E250G1 is a clip-on friction-drive electric motor system that can turn a compatible conventional bicycle into an e-bike.
Q2. How powerful is the Asus Oxiis E250G1?
It has a 250W rated motor with up to 500W peak power, providing additional assistance for everyday riding and hill climbs.
Q3. What is the range of the Oxiis E250G1?
Asus claims up to 50 km (31 miles) of range in Eco mode. Range can vary depending on terrain, rider weight, riding conditions and assistance level.
Q4. How long does the Oxiis E250G1 take to charge?
The removable 158.4Wh battery takes around two hours to fully charge when using a 100W USB Type-C Power Delivery charger.
Q5. Which bikes are compatible with the Asus Oxiis E250G1?
The system is designed for various bicycle types, including city, road, gravel, folding, hybrid and hardtail mountain bikes, with support for 16- to 29-inch wheels and 700C wheels.
Via: (Asus)
Note: Product details, pricing, and availability may change over time. While we try to keep information accurate, please verify details from the official website before purchasing. Some content may be assisted by AI tools like ChatGPT, and some articles may contain affiliate links that may earn us a small commission at no extra cost to you. Reviews, opinions, and feature highlights are based on official specifications and publicly available information at the time of writing.
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