Leaperkim Sherman L 4000wh Electric Unicycle

Leaperkim Sherman L 4000wh Electric Unicycle

Name: Leaperkim Sherman L 4000wh Electric Unicycle
Brand: Leaperkim
Price: 3799 EUR
Availability: InStock
Rating: 5 (1 reviews)

Reference 49720663-443d-11ef-0a80-0be500134681

We have special Inmotion prices for registered customers ;-)

€3,799.00

EUR 3139.67 tax excl.

The Leaperkim Sherman L pairs a massive 4000Wh / 151.2V battery with a 3200W (8000W peak) motor for up to ~200 km of ideal range. Long-haul touring power at a manageable 46.5 kg.

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Free delivery on orders over 200 EUR, next day dispatch, tracked delivery to your door!

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Free returns for 14 days, warranty goods are picked up free of charge.

Product Details
Reviews

Reference 49720663-443d-11ef-0a80-0be500134681

Grade

staffan Söderberg 20/10/2024

Leaperkim Sherman L 4000wh Electric Unicycle

Excellent wheel, came we’ll packed, no pads or velcro included. Tire was not tubeless but it’s easy to do on the next tire change. Quality is 5/5

§ 01 / Philosophy

Range and speed.
Four thousand watt-hours, race-bred chassis.

Race-proven · Long-tour class
Leaperkim Lynx chassis

§ range

160

km / at best

Mixed European riding sits around 130 - 160 km. Rider weight, speed, terrain and temperature all pull the real-world figure down from that best case.

§ power

3200

W rated · 8000 W peak

The Lynx-platform motor delivers low voltage sag on long pulls. It does not feel stressed at 80 km/h.

§ mass

46.5

kg / mag-alloy body

Heavy by EUC standards, and 6.5 kg heavier than the standard Lynx (40 kg). You feel the weight on stairs - not once you are rolling.

The long-range Lynx, with the fireworks turned down.

The Sherman L shares its chassis bones with the Leaperkim Lynx, but the project brief is different. Where Lynx went after high-speed theatre - torque spikes, launch-pad pedals, peaky firmware - Sherman L is aimed at the rider who plans a route in the morning and does not want to think about charging until the evening.

The headline number is the battery: 4000 Wh at 151.2 V, built from Samsung INR21700-50S cells. It is the same idea that turned the original Sherman into a cult touring wheel - only now the pack is about a quarter larger.

On paper it is a range-king. When riding, it is calmer than the Lynx.

FastAce hydraulic suspension with 90 mm of travel takes the edge off tram-lines, cobbles and the occasional kerb drop. Compression and rebound are both adjustable with a 4 mm key, and the three spring options (62, 66 and 70 lbs) let you fit it to your weight without guessing. The stock tyre is an 80/90-14 tubeless road-tread (20″ class, 14″ rim, about 3″ wide) that carves nicely and tolerates light gravel; a knobby off-road cover is a popular second tyre.

Charging is where the Sherman L quietly wins back time. The included 5 A charger fills the pack in about six hours; a second 5 A charger gives 10 A and brings that down to about three hours. The pack accepts up to 20 A, but only with a suitable charger, which is not supplied. On a two-day tour that is the difference between a sit-down lunch and a proper hotel check-in.

§ 02 / Systems

Eight things Leaperkim rewrote for the L-class.

Veteran Line
Sherman L
4000 Wh · Samsung 50S

Self-balance system

Keeps the wheel planted when the pack approaches the lower cut-off.

Motor and speed

3200 W rated, 8000 W peak. Top speed up to 80 km/h, depending on battery level, rider weight and tilt-back.

Hall sensor fault

If the motor hall signal is lost, the controller keeps the wheel balanced so you can slow down and stop under control. Have a hall fault checked before you ride on.

Durable range pack

Samsung INR21700-50S cells, 4000 Wh at 151.2 V.

Overall protection

Sealed magnesium-alloy shell around the pack. Not a river wheel - fine in rain.

Adjustable suspension

FastAce suspension, mid-mounted, 90 mm travel, with 62, 66 or 70 lb springs to match rider weight.

Smart BMS

Per-cell monitoring and an Android/iOS app for live cell-delta plus temperature logging.

Tuned aesthetics

Less CNC bling than Lynx, more matte functional surfaces. Handle shims and pedal inserts in three colours ship as spares.

§ 03 / Battery system

A 4000 Wh pack only works if the BMS earns its keep.

Range is easy to put on a spec sheet. Cycling a pack this dense through Spanish summers and Alpine winters - that is the hard part. The Sherman L's smart BMS watches every cell.

In practice: you get honest state-of-charge and real temperature read-outs. Not magic - just conservative engineering.

Voltage151.2 V max

Capacity4000 Wh · Samsung 50S

Charge rate5 A standard / up to 20 A with a suitable charger

BMSSmart · per-cell monitoring

Low-voltage protection

Soft cut-off with haptic warning before cells drop into stress band.

Over-current limit

Phase-current ceiling stops runaway spikes from a stuck MOSFET.

§ 04 / ChassisSuspension

FastAce hydraulic, 90 mm travel.

Preload · compression · rebound — all adjustable

The Sherman L uses a FastAce BKA 21 AS on a mid-mounted linkage. Springs are progressive, so small bumps compress the first third of travel and harder hits ride deeper into the stroke without bottoming.

Weight brackets are 62, 66 and 70 lbs - pick the one that sags 25 - 30 mm with you and a loaded riding kit on the pedals. Wrong spring is the single biggest complaint we hear on ticket returns, so we list rider-weight guidance on the variant selector.

Travel: 90 mm progressive
Compression: 12 clicks
Rebound: 18 clicks
Shaft: Stainless, 16 mm

§ 05 / PowerMotor & drive

3200 W rated. ~8000 W peak.

Lynx platform

The motor is the Lynx platform stator, rated at 3200 W with an 8000 W peak.

You will not miss the Lynx's party-trick launch - the Sherman L prefers a long, smooth pull.

Rated: 3200 W · 151.2 V max
Peak: ~8000 W (phase)
Top speed: Up to 80 km/h

§ 06 / EnergyCharging

5 A in the box · up to 20 A.

A second 5 A charger gives 10 A

Included 5 A charger: ~6 hours 0 → 100 %. A second 5 A charger gives 10 A and brings that down to about 3 hours.

The pack accepts up to 20 A, but only with a suitable charger, which is not supplied.

Standard: 5 A · ~6 h full
Home-fast: 10 A · ~3 h full
Maximum: Up to 20 A (suitable charger, not supplied)

§ 07 / Ride notes

What it actually feels like - honest version.

In town

Quiet, planted, faintly boring in a good way. The low centre of gravity and the extended pack mean cobbles and tram-lines feel like texture, not events. The 20″ road tread corners cleanly and tolerates painted lines that would break looser treads.

At speed

Stable past 65 km/h in a way that lighter wheels never quite are. Once your core strength catches up, the wobble window basically closes. It does not feel fast - it feels composed, which is what you want on a long day.

Off tarmac

The stock tyre is a road pattern, so loose gravel is a limit. Fit a knobby and the Sherman L handles forest tracks and mellow single-track comfortably.

On stairs

It is a 46.5 kg wheel. Expect to plan your building access and keep a trolley strap in your kit. The bright side: once you are on it, weight helps.

§ 08 / Who rides it

The Sherman L rewards riders who plan their day in three-digit km.

The multi-day tourer

You ride 100 + km a day and care more about voltage sag on hour five than about launch pedals. The 4000 Wh / 20 A combo was built for you.

The mixed-surface commuter

City in the morning, gravel detour after work, home before dark. The road-tread carves well, and the suspension eats tram-line junctions.

The experienced upgrader

You have logged a couple of thousand km on a Nikola, Master or Lynx, and you want calmer high-speed manners with a longer range envelope.

The long-haul explorer

Spain to Portugal through the Sierra. You stop at a café, plug in a charger, and top up while you eat. That is the plan, at least.

First-time riders

46.5 kg and 3200 W is a lot of wheel to learn on. Start on an Inmotion V5F or a Kingsong 14D PRO - come back to the L when free-mounts are automatic.

Stairs commuters

Four flights daily with no lift? Consider the Lynx or the V13. Range envelope is shorter, but your knees will write you a thank-you letter.

§ 09 / Technical reference

Every number that matters.

Veteran Line / Sherman L
4000 Wh · Samsung 50S
Reference values

Battery & energy
Capacity	4000 Wh · 151.2 V maxEquivalent to a 26 Ah pack at 151.2 V
Cells	Samsung INR21700-50S
Charge time	~ 6 h @ 5 A · ~ 3 h @ 10 A (second 5 A charger)
BMS	Smart · per-cell monitor
Drive & performance
Motor	3200 W rated · ~ 8000 W peak (phase)
Top speed	Up to 80 km/h Depends on battery level, rider weight and tilt-back.
Max. Speed (km/h) on public roads	25 Max. Speed (km/h) on public roads: 25; legal/public-road setting. Technical/private-land performance depends on local rules and rider responsibility.
Real-world range	130 - 160 km mixed · 160 km at best
Max load	~ 120 kg
Chassis & contact patch
Frame	Magnesium-alloy cases
Suspension	FastAce hydraulic · 90 mm · progressive · 62 / 66 / 70 lb springs
Tyre	80/90-14 tubeless road-tread on a 14″ rim, about 3″ wide (20″ class; knobby optional)
Pedals	190 mm grip tread · studded inserts
Weight	46.5 kg
Dimensions (H × L × W)	720 × 575 × 208 mm
Electronics & connectivity
Lights	2500 lm headlight · tail + brake · no ambient strips
Display	Monochrome matrix · speed, SoC, fault codes
App	Veteran app (Android / iOS) · EUC World compatible
Sound system	None fitted
In the box
Wheel	Sherman L assembled · factory tyre fitted
Charger	5 A standard EU plug
Tools	2 × valve core · 4 mm Allen · 14 mm spanner
Docs	Quick-start card · warranty card · EU CE declaration

Compare with

Leaperkim Patton S — mid-tier Veteran for daily-use focus.
Leaperkim ORYX — long-range step-up at 4700 Wh and 176.4 V.
Leaperkim Lynx S — off-road sibling, refreshed Lynx platform.

Q-01 How far will I really go on one charge?

For a 75 kg rider on mixed European roads, expect 130 - 160 km per charge. A light rider, flat routes and a steady 40 - 50 km/h cruise can get you close to the 160 km maximum. Headwinds, cold weather and aggressive acceleration cut that down, sometimes by a third.

The 4000 Wh pack is generous, but it does not defy physics - plan around real-world range, not best-case.

Q-02 Is 20 A fast-charging safe for the cells?

Yes, within limits. The pack accepts up to 20 A, but only with a suitable charger, which is not supplied.

In practice: use a charger rated for this pack.

Q-03 Which suspension spring should I order?

Rough guide: 62 lb for riders up to about 86 kg, 66 lb for about 86 - 100 kg, 70 lb above about 100 kg. Kit weight, riding style and terrain shift that by ± 5 kg.

Drop us a note with your weight and intended use if you are on a border and we will tell you what we put on our own wheel.

Q-04 Can I ride it in the rain?

Light to moderate rain, yes. The wheel is designed for confidence on wet commutes rather than river crossings.

Do not pressure-wash it, do not ride through standing water that covers the hub, and dry the wheel before charging. Store indoors.

Q-05 Is it legal on European roads?

No - like all EUCs over 25 km/h, the Sherman L is not road-legal in most EU countries. Spain's DGT does not homologate it as a VMP, and UK PLEV rules currently exclude EUCs from public-road use.

It is legal on private property and in countries that have a separate regime for powered personal mobility (check local rules). We ship it; the riding context is on you.

Q-06 Is this a beginner's wheel?

No. 46.5 kg, 3200 W rated motor and a 151.2 V pack is too much wheel to learn on. Weight punishes small mistakes and the torque curve does not forgive over-lean.

Learn on a Kingsong 14D PRO or an Inmotion V5F, log 500 - 1000 km, then step up. You will enjoy the Sherman L a lot more after that.

Q-07 What comes with the warranty?

Two years, EU-wide. Covers manufacturing faults on the battery, motor and chassis. Wear parts - tyre and pedal grip - are not covered, which is the normal EUC convention.

We arrange home pick-up for repairs so you do not ship a 46 kg parcel yourself. In-house service is in the EU.