Head to head

Ultra BeeVSSRPNT X3

Comparing 2 of 3

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Sur-Ron · 2023

Ultra Bee

21″ front wheel swap(est.)

Throne Cycles · 2026

SRPNT X3

21″ front wheel swap(est.)

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Summary

Claimed figures · blanks excluded

Most peak power: SRPNT X313 kW
Lightest: SRPNT X3160 lb72.6 kg
Biggest battery: Ultra Bee4,070 Wh
Best power-to-weight: SRPNT X3179 W/kg
Most front travel: Ultra Bee239 mm
Lowest price (USD): SRPNT X3$3,599

Measured against each other

Peak power

Δ 0.5 kW

Ultra Bee12.5 kW
SRPNT X313 kW

Power-to-weight

Δ 32 W/kg

Ultra Bee147 W/kg
SRPNT X3179 W/kg

Battery capacity

Δ 1,190 Wh

Ultra Bee4,070 Wh
SRPNT X32,880 Wh

Weight

Δ 27 lb12.2 kg

Ultra Bee187 lb84.8 kg
SRPNT X3160 lb72.6 kg

Shorter is lighter.

Front travel

Δ 39 mm

Ultra Bee239 mm
SRPNT X3200 mm

Rear travel

Ultra Bee244 mm
SRPNT X3—

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

$3,599

Motor & performance

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

12.5 kW17 hp

13 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.

147 W/kgCALC

179 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

460 Nm339 lb-ft

Top speed

56 mph90 km/h

55 mph89 km/h

Battery & charging

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

4,070 Wh4.07 kWhCALC

2,880 Wh2.88 kWhCALC

Pack voltage

74 V

72 V

Pack amp-hours

55 Ah

40 Ah

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

—

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

87 mi140 km

60 mi97 km

Charge time

4 h

3.5 h

Chassis

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

187 lb84.8 kg84.8 kg187 lb

160 lb72.6 kg72.6 kg160 lb

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

909 mm35.8 in

848 mm33.4 in

Ground clearance

318 mm12.5 in

269 mm10.6 in

Wheelbase

1,379 mm54.3 in

1,250 mm49.2 in

Frame

Forged aluminum alloy

—

Suspension

Fork

37 mm inverted, adjustable compression & rebound

Inverted Suspension Fork with 200mm Travel

Front travel

239 mm9.4 in

200 mm7.9 in

Shock

TR Intersect monoshock, adjustable preload, compression & rebound

KKE Suspension Link System

Rear travel

244 mm9.6 in

—

Wheels & brakes

Front wheel

19″

19″CALC

Rear wheel

19″

19″CALC

Front tire

80/100-19

1.4-19

Rear tire

90/90-19

1.6-19

Front brake

240 mm hydraulic disc

—

Rear brake

240 mm hydraulic disc

—

Electronics

Ride modes

Sport · Daily · Eco · Reverse

Eco · High · Sport

Regen braking

Sur-Ron Energy Regenerative System (SERS)

—

Display

—

Full Color

Ownership

Warranty

—

1 Year Limited Factory Warranty

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