ASUS unveils the 'Oxiis E250G1,' a motor that allows you to convert a regular bicycle into an electric one with an add-on, supporting up to 500W USB-C charging.
ASUS has unveiled the 'ASUS Oxiis E250G1 Intelligent Bike Booster,' which can be retrofitted to a standard bicycle to add electric assist functionality. It works by pressing rollers against the tires to transmit power, and its key feature is that it can be installed without changing the gears or brakes.
Oxiis Intelligent Bike Booster｜Bike Booster｜ASUS Global
Generally, if you want to use an electric assist bicycle, you need to replace your existing bicycle with one that is already equipped as an 'electric assist bicycle.' The Oxiis E250G1, which was recently unveiled, is an 'aftermarket' type that adds electric assist functionality to a regular bicycle. It uses a system where a unit with a motor and a removable battery is attached to the seat post. Because it assists rotation by making contact with the tire using rollers, it can electrify a bicycle without making major changes to the bicycle's drivetrain.
The motor has a rated output of 250W and a maximum output of 500W. It features 'Adaptive Boost Technology' that provides assistance according to the incline when going uphill. It also has a wireless cadence sensor that detects pedal rotation, eliminating the need to wire sensor cables to the frame.
There are three assist modes: Eco, Normal, and Sport. Eco is a mode that prioritizes range, Normal is for everyday riding, and Sport is for situations where strong assistance is needed, such as on inclines. You can switch between modes using the buttons on the unit or the 'ASUS Oxiis app' which is compatible with Android and iOS.
The battery capacity is 158.4Wh, and it is said to be able to travel approximately 50km in Eco mode and approximately 10km in Sport mode. The battery is removable and can be charged in about 2 hours using a 100W USB Type-C Power Delivery compatible charger.
The unit weighs 3.7kg including the battery. It is compatible with 16-inch to 29-inch and 700C tires with a maximum width of 60mm. The seatpost diameter is 25.4 to 34.9mm, making it compatible with city bikes, road bikes, and folding bikes. It is not compatible with full-suspension bicycles or carbon seatposts, and knobby tires with large treads are not recommended.
It also features a smart taillight that detects braking. The maximum speed is specified as 32 km/h, but it may be limited to 25 km/h in some areas. There is no specific mention of its compliance with Japanese road traffic laws as an electric assist bicycle. ASUS advises users to check the traffic laws and speed limits in their area of use.
At the time of writing, ASUS's product page did not provide information on pricing, specific release dates, or sales regions.
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