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Ultra Bee2023VSUltra Bee2026

Comparing 2 of 3

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Sur-Ron · 2023

Ultra Bee

21″ front wheel swap(est.)

Sur-Ron · 2026

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 Bee12.5 kW
Ultra Bee24.5 kW

Power-to-weight

Δ 130 W/kg

Ultra Bee147 W/kg
Ultra Bee277 W/kg

Battery capacity

Δ 370 Wh

Ultra Bee4,070 Wh
Ultra Bee4,440 Wh

Weight

Δ 8 lb3.7 kg

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

Shorter is lighter.

Front travel

Ultra Bee239 mm
Ultra Bee—

Rear travel

Ultra Bee244 mm
Ultra Bee—

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.

12.5 kW17 hp

24.5 kW33 hp

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

—

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

147 W/kgCALC

277 W/kgCALC

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

441 Nm325 lb-ft

511 Nm377 lb-ft

Top speed

56 mph90 km/h

65 mph105 km/h

Battery & charging

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

4,070 Wh4.07 kWhCALC

4,440 Wh4.44 kWhCALC

Pack voltage

74 V

Pack amp-hours

55 Ah

60 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.

87 mi140 km

70 mi113 km

Charge time

4 h

2.5 h

Chassis

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

187 lb84.8 kg84.8 kg187 lb

195 lb88.5 kg88.5 kg195 lb

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

909 mm35.8 in

Ground clearance

318 mm12.5 in

315 mm12.4 in

Wheelbase

1,379 mm54.3 in

Frame

Forged aluminum alloy

—

Suspension

Fork

37 mm inverted, adjustable compression & rebound

Inverted fork, adjustable

Front travel

239 mm9.4 in

—

Shock

TR Intersect monoshock, adjustable preload, compression & rebound

Air shock, adjustable

Rear travel

244 mm9.6 in

—

Wheels & brakes

Front wheel

19″

19″CALC

Rear wheel

19″

18″CALC

Front tire

80/100-19

Rear tire

90/90-19

100/90-18

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

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