Leaperkim Sherman P - Best long-range wheel ever built?

The electric unicycle (EUC) community has a fierce new contender for the throne of long-range street performance. Released in September 2026, the Leaperkim Sherman P arrives as the direct successor to the highly regarded Sherman L. It establishes an incredibly high benchmark for high-speed cruising, raw power, and battery endurance.

While the Sherman L was celebrated for its stability and cruising comfort, the Sherman P radically modernizes the platform. It incorporates a higher-voltage architecture, a massively scaled battery pack, and next-generation thermal management.

Key Specifications & Architecture

Unprecedented Battery Capacity and Smart Safety

The definitive upgrade of the Sherman P is its massive 4,700 Wh battery pack utilizing high-discharge Samsung 50S cells. Leaperkim has managed to pack Oryx-tier energy density directly into a compact frame that shares a nearly identical footprint with the previous Sherman L.

To protect this immense reservoir of power, Leaperkim introduced BMS 3.0. This intelligent battery management system carefully monitors individual cell variance. It features active power-off cell balancing, meaning it will safely adjust string variances even after the unicycle has been turned off. Alongside low-voltage, short-circuit, and overcharge protections, the 176.4 V system provides a colossal safety margin. It dramatically reduces the risk of high-speed cutouts by keeping voltage sag at bay.

Aggressive Powertrain and Thermal Dynamics

Driven by a heavy-duty, double-layer aluminum substrate controller capable of blasting 960 A of max phase current, the Sherman P handles intense electrical loads with ease. The controller utilizes custom copper busbars to dissipate heat rapidly away from the MOSFETs.

This monstrous electronics bay feeds a custom 3,800 W motor outfitted with 42 mm magnets and re-engineered windings. The result is a jaw-dropping 351 Nm of peak torque. This delivers dual enhancements: a punishing, instantaneous low-end acceleration and a higher real-world top speed than even the nimble Leaperkim Lynx. The motor also benefits from an upgraded Hall-sensorless algorithm and anti-blocking protection to ensure continuous operation if hardware anomalies occur.

Build, Suspension, and Comfort Changes

To cope with the immense forces generated by a 10,000 W peak motor, the Sherman P features an ultra-rigid magnesium-alloy chassis protected by IPX6 weather resistance.

For riders taming high-speed highway bumps or local trails, the wheel brings a re-tuned 90 mm hydraulic suspension system featuring a progressive spring and an integrated airbag bump-stop. Other notable hardware updates include:

• Enhanced Lighting: A powerful, motorcycle-grade 3,000-lumen (25 W) headlight with a clear cutoff beam and daytime running lights to avoid blinding oncoming traffic.
• Ergonomics: Adjustable-height pedals, integrated tow hooks, and a solid metal trolley handle.
• The Weight Trade-off: The massive addition of battery cells and heavy-duty cooling elements shifts the scales to 52 kg (114 lbs). This makes it roughly 5.5 kg heavier than the Sherman L, cementing it strictly as a dedicated high-speed cruiser rather than a lightweight trick wheel.

Availability and Verdict

The Leaperkim Sherman P represents an uncompromising step forward for experienced riders looking to dominate open asphalt. With retail pre-orders priced around €4,299 / $4,300, it is a premium investment for long-range touring professionals.