26 Inch Bicycle to Electric Bike Conversion Kit with Hub Motor and Battery

This Yunzhilun micro-power conversion kit provides the essential components to transform a standard 26-inch bicycle into an electrically assisted vehicle. The core of the system is the Imotor 3.0, a third-generation intelligent micro-power wheel that replaces your existing front or rear wheel hub. Paired with a dedicated lithium battery pack and a 12.6V5A charger, this kit offers a modular approach to e-bike ownership, allowing you to upgrade a bicycle you already own and trust. The product carries CCC certification, a recognised safety standard, and includes critical protection circuits within the battery management system.

Features and Construction

The conversion kit is centred on a hub motor system, where the motor is integrated directly into the wheel's alloy hub. This design keeps the bicycle's original frame geometry intact and simplifies the mechanical installation process compared to mid-drive systems. The kit is specifically configured for bicycles with 26-inch wheels, a common size for adult mountain and hybrid bikes. The included components are designed to work together as a complete system for providing pedal-assist power.

Material and Build

The motorised wheel features an alloy hub, a material choice that aims to balance strength and weight for the rotating assembly. The accompanying 12.6V5A charger has a housing made from plastic. The lithium battery pack is built using 18650-type cells, a common format in rechargeable power systems, and is equipped with an integrated protection board to manage charging and discharging cycles safely, guarding against over-voltage, over-current, and short-circuit conditions.

Size and Practical Fit

The primary dimensional specification for this kit is the 26-inch wheel size. This measurement is crucial for ensuring the motorised wheel is a direct replacement for the bicycle's original wheel. Before purchase, users should verify their bicycle's specific wheel size and confirm the frame has adequate clearance for the slightly wider hub motor assembly. The system does not require extensive frame modification, making it a viable option for many standard diamond-frame bicycles.

Uses and Placement

This product is intended for the specific use case of converting a human-powered bicycle into an electric-assisted bicycle. It is suitable for riders seeking to add electric power to an existing bike for commuting, leisure riding, or tackling hills with less effort. The kit's design means the original bicycle's gearing, brakes, and overall ride characteristics are largely preserved, with the electric system providing an additional layer of power on demand.

Event or Professional Use

For casual or commuter use, the conversion kit can make a regular bicycle suitable for longer daily journeys or routes with challenging gradients, potentially replacing some car trips. It is not presented as a high-performance or off-road racing system. The inclusion of region-specific plugs (EU or US) on the charger indicates its suitability for use in those geographical areas, adhering to local electrical socket standards for convenient recharging.

Everyday Home Use

For the home user, the main advantage is the ability to create an electric bike without purchasing a complete new one. The bicycle can be used normally without power or with the electric assist engaged. The charger's dual plug option allows buyers to select the correct version for their country, facilitating straightforward charging at home, in a garage, or at a workplace.

Benefits and Buying Value

The value proposition of a conversion kit lies in leveraging an existing bicycle. It can be a cost-effective path to e-bike ownership compared to buying a dedicated electric bicycle outright. The system's modularity also means individual components like the battery could potentially be replaced or upgraded separately in the future, depending on availability and compatibility.

Reuse and Low Maintenance

The kit promotes the reuse of a functional bicycle, extending its useful life with new technology. Maintenance for a hub motor system is generally considered low, as the motor is sealed within the wheel hub. The primary consumable part is the lithium battery pack, which has a finite lifespan based on charge cycles. The protection board is designed to help maximise battery life by preventing damaging usage patterns.

Why Choose This Product

This kit is a defined solution for riders with a 26-inch bicycle who want to add electric assist. Its key differentiators are the integrated intelligent hub motor, the inclusion of a CCC-certified battery with protection circuitry, and the choice of charger plug for different markets. It provides a specific set of matched components—motor, battery, charger—removing the guesswork from sourcing compatible parts individually for a conversion project.