Head to head

Light Bee XVSEM5 Ultra

Comparing 2 of 3

Show source notes

Sur-Ron · 2025

Light Bee X

21″ front wheel swap(est.)

Valtinsu · 2026

EM5 Ultra

CAdd a bike

Summary

Claimed figures · blanks excluded

Lightest: Light Bee X126 lb57 kg
Best power-to-weight: Light Bee X140 W/kg
Most front travel: Light Bee X198 mm
Lowest price (USD): EM5 Ultra$2,199

Measured against each other

Peak power

Light Bee X8 kW
EM5 Ultra8 kW

Power-to-weight

Δ 17 W/kg

Light Bee X140 W/kg
EM5 Ultra123 W/kg

Battery capacity

Light Bee X2,400 Wh
EM5 Ultra—

Weight

Δ 17 lb7.9 kg

Light Bee X126 lb57 kg
EM5 Ultra143 lb64.9 kg

Shorter is lighter.

Front travel

Δ 48 mm

Light Bee X198 mm
EM5 Ultra150 mm

Rear travel

Light Bee X211 mm
EM5 Ultra—

Size & stance

To scale, lined up at the rear axle. Rims shown without tires. Hover a bike below to isolate it.

Full specifications

Price

PricePrices move. Check the date and currency.

$3,799

$2,199

Motor & performance

Peak powerPeak, not continuous. It's a burst number that brands measure in different ways.

8 kW11 hp

Rated powerWhat the motor can sustain. Closer to what you feel on a long climb.

3 kW4 hp

—

Power-to-weightCalculated by Mesa Project from claimed peak power and claimed weight.

140 W/kgCALC

123 W/kgCALC

Torque (as published)Brands quote torque at the motor or at the rear wheel. Read the note before comparing.

266 Nm196 lb-ft

—

Top speed

47 mph75 km/h

56 mph90 km/h

Battery & charging

Battery capacityWatt-hours is the fuel-tank number. Volts × amp-hours.

2,400 Wh2.4 kWhCALC

—

Pack voltage

60 V

—

Pack amp-hours

40 Ah

25 Ah

Swappable batteryA rider-removable pack that can be replaced with a compatible spare. Does not imply tool-free removal or compatibility across models.

Yes

—

Range claimBrands test at different steady speeds, so we don't crown a winner. Trail range will be lower.

47 mi75 km

75 mi121 km

Charge time

2 h

—

Chassis

WeightWhat you'll be lifting out of a rut. Check whether the battery is included.

126 lb57 kg57 kg126 lb

143 lb64.9 kg64.9 kg143 lb

Seat heightUnladen. Sag brings it down once you sit on it.

828 mm32.6 in

800 mm31.5 in

Ground clearance

269 mm10.6 in

231 mm9.1 in

Wheelbase

1,255 mm49.4 in

1,059 mm41.7 in

Frame

Forged aluminum alloy

—

Suspension

Fork

Inverted coil-spring hydraulic fork

Front hydraulic shock absorbers with a 5.9-inch (150 mm) stroke

Front travel

198 mm7.8 in

150 mm5.9 in

Shock

Multi-link rear suspension, fully adjustable

Rear adjustable air suspension dampers with a 2.0-inch (50 mm) stroke

Rear travel

211 mm8.3 in

—

Wheels & brakes

Front wheel

19″CALC

17″

Rear wheel

18″CALC

14″

Front tire

70/100-19

—

Rear tire

3.00-18

—

Front brake

—

Rear brake

—

Electronics

Ride modes

Sport · Eco

Eco - Drive - Sport

Regen braking

Yes, in Sport mode

—

Display

—

Smarter VA LCD display

Ownership

Warranty

1 year limited

1-year limited warranty

Highlighted = best among these bikes, where “best” is clear-cut. Range claims and torque are never ranked, because brands measure them differently.