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Ultra Bee2026VSUltra Bee2023

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Sur-Ron · 2026

Ultra Bee

21″ front wheel swap(est.)

Sur-Ron · 2023

Ultra Bee

21″ front wheel swap(est.)

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Summary

Claimed figures · blanks excluded

Most peak power: Ultra Bee24.5 kW
Lightest: Ultra Bee187 lb84.8 kg
Biggest battery: Ultra Bee4,440 Wh
Best power-to-weight: Ultra Bee277 W/kg

Measured against each other

Peak power

Δ 12 kW

Ultra Bee24.5 kW
Ultra Bee12.5 kW

Power-to-weight

Δ 130 W/kg

Ultra Bee277 W/kg
Ultra Bee147 W/kg

Battery capacity

Δ 370 Wh

Ultra Bee4,440 Wh
Ultra Bee4,070 Wh

Weight

Δ 8 lb3.7 kg

Ultra Bee195 lb88.5 kg
Ultra Bee187 lb84.8 kg

Shorter is lighter.

Front travel

Ultra Bee—
Ultra Bee239 mm

Rear travel

Ultra Bee—
Ultra Bee244 mm

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.

$6,499

Motor & performance

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

24.5 kW33 hp

12.5 kW17 hp

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

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

277 W/kgCALC

147 W/kgCALC

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

511 Nm377 lb-ft

441 Nm325 lb-ft

Top speed

65 mph105 km/h

56 mph90 km/h

Battery & charging

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

4,440 Wh4.44 kWhCALC

4,070 Wh4.07 kWhCALC

Pack voltage

74 V

Pack amp-hours

60 Ah

55 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.

70 mi113 km

87 mi140 km

Charge time

2.5 h

4 h

Chassis

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

195 lb88.5 kg88.5 kg195 lb

187 lb84.8 kg84.8 kg187 lb

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

909 mm35.8 in

Ground clearance

315 mm12.4 in

318 mm12.5 in

Wheelbase

1,379 mm54.3 in

Frame

—

Forged aluminum alloy

Suspension

Fork

Inverted fork, adjustable

37 mm inverted, adjustable compression & rebound

Front travel

—

239 mm9.4 in

Shock

Air shock, adjustable

TR Intersect monoshock, adjustable preload, compression & rebound

Rear travel

—

244 mm9.6 in

Wheels & brakes

Front wheel

19″CALC

19″

Rear wheel

18″CALC

19″

Front tire

80/100-19

Rear tire

100/90-18

90/90-19

Front brake

—

240 mm hydraulic disc

Rear brake

—

240 mm hydraulic disc

Electronics

Ride modes

—

Sport · Daily · Eco · Reverse

Regen braking

—

Sur-Ron Energy Regenerative System (SERS)

Display

LCD Display

—

Ownership

Warranty

1 Year Factory Warranty

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