When it comes to enhancing the functionality and usability of electric bicycles equipped with Bafang mid-drive motors, the Yhenlovtt Simple Waterproof Display emerges as a purpose-built accessory designed to streamline the rider’s experience. Tailored for compatibility with models such as the BBS01, BBS02, M400, and M620, this compact display prioritises practicality and durability, making it an appealing option for cyclists seeking reliable performance without unnecessary complexity.
Core Features and Design Philosophy
Constructed from lightweight ABS material, the Yhenlovtt display weighs a mere 44 grams, ensuring minimal impact on the overall weight of the bicycle. Its dimensions (5 x 3 x 2 cm) allow for discreet integration onto handlebars, maintaining a clean and uncluttered cockpit. The waterproof design is a standout feature, addressing a common concern among cyclists who frequently ride in wet conditions. The IP rating, though unspecified, is reinforced by user anecdotes highlighting its resilience during heavy rain or accidental splashes. One cyclist noted that after several months of use in the UK’s unpredictable climate, the display showed no signs of moisture ingress, underscoring its robust build quality.
The LED interface adopts a straightforward approach, prioritising essential metrics such as power output, assist level selection, and a 6 km/h walk-assist mode. While it lacks the colour screens or touch functionality found in premium displays, its simplicity resonates with riders who value intuitive operation. The monochrome readout ensures visibility in direct sunlight, a practical advantage praised by users who commute or tour in bright environments.
UART Protocol and Compatibility
A key technical highlight is the display’s use of the UART communication protocol, which ensures seamless integration with Bafang’s mid-drive motor systems. This protocol enables real-time data exchange between the motor and display, allowing precise control over assist levels and torque output. Compatibility extends to motors like the G320, G340, M400, and M620, making it a versatile choice for owners of older and newer Bafang models alike.
Installation is frequently described as “plug-and-play” by users, with no programming or complex wiring required. The display connects directly to the motor’s existing UART port, and its low-profile design avoids interference with other handlebar-mounted accessories such as lights or GPS units. One cyclist remarked that swapping their previous display for the Yhenlovtt unit took less than ten minutes, with no technical hiccups encountered during setup.
Functional Simplicity and User Experience
The display’s pared-down functionality is both its strength and limitation. Core features include a headlight toggle, five-level pedal assist, and a walk-assist mode, which provides gentle motor support when pushing the bike uphill or over uneven terrain. Riders appreciate the tactile buttons, which are responsive even when wearing gloves—a practical detail for winter commuting.
However, the absence of advanced features like Bluetooth connectivity, GPS tracking, or customisable profiles may deter tech-savvy users. That said, the display’s focus on essentials aligns well with its target audience: cyclists who prioritise reliability over gadgetry. A long-distance tourer shared that the lack of superfluous functions reduced distractions during multi-day rides, allowing them to focus on navigation and endurance.
Performance in Real-World Conditions
In terms of durability, the ABS housing resists scratches and minor impacts, maintaining a professional appearance over time. The waterproofing extends to the button seals, which prevent debris or water from compromising the internal circuitry. A mountain biker noted that after a muddy trail ride, a quick rinse under a tap restored the display to pristine condition, with no residual grime affecting functionality.
The 6 km/h walk-assist mode has garnered praise for its utility in urban settings, where dismounting and pushing the bike through crowded areas is common. Users report that the feature provides just enough motor support to ease the effort without feeling abrupt or overpowering.
Limitations and Considerations
While the display excels in its niche, its simplicity may not suit all riders. The lack of a speedometer or odometer could frustrate those who rely on detailed ride metrics. Additionally, the monochrome LED, while clear in daylight, lacks backlighting, rendering it less visible during night rides unless paired with an external light source.
Some users expressed a desire for firmware update capabilities, which would extend the display’s longevity as motor technologies evolve. Nevertheless, the consensus is that the Yhenlovtt unit fulfils its core promises effectively, particularly for those seeking a no-nonsense interface.
Conclusion
The Yhenlovtt Simple Waterproof Display is a thoughtfully engineered accessory that aligns with the needs of Bafang mid-drive motor users. Its waterproof construction, UART compatibility, and user-friendly design make it a reliable companion for daily commutes, touring, or off-road adventures. While it may not cater to riders who crave advanced connectivity, its emphasis on durability and ease of use ensures it remains a compelling option within its category.
ASIN: B0DCFW2BD3


















































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