Head to head

XE Pro SVSPro SS 4.0

Comparing 2 of 3

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Arctic Leopard · 2026

XE Pro S

21″ front wheel swap(est.)

E Ride Pro · 2026

Pro SS 4.0

21″ front wheel swap(est.)

CAdd a bike

Summary

Claimed figures · blanks excluded

Most peak power: XE Pro S20 kW
Lightest: XE Pro S159 lb72.1 kg
Biggest battery: XE Pro S3,960 Wh
Best power-to-weight: XE Pro S277 W/kg
Lowest price (USD): Pro SS 4.0$4,999

Measured against each other

Peak power

Δ 2 kW

XE Pro S20 kW
Pro SS 4.018 kW

Power-to-weight

Δ 39 W/kg

XE Pro S277 W/kg
Pro SS 4.0238 W/kg

Battery capacity

Δ 360 Wh

XE Pro S3,960 Wh
Pro SS 4.03,600 Wh

Weight

Δ 8 lb3.6 kg

XE Pro S159 lb72.1 kg
Pro SS 4.0167 lb75.7 kg

Shorter is lighter.

Front travel

XE Pro S200 mm
Pro SS 4.0—

Rear travel

XE Pro S200 mm
Pro SS 4.0—

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.

$5,100

$4,999

Motor & performance

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

20 kW27 hp

18 kW24 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.

277 W/kgCALC

238 W/kgCALC

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

600 Nm443 lb-ft

520 Nm384 lb-ft

Top speed

62 mph100 km/h

60 mph97 km/h

Battery & charging

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

3,960 Wh3.96 kWhCALC

3,600 Wh3.6 kWhCALC

Pack voltage

72 V

Pack amp-hours

55 Ah

50 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.

50 mi80 km

64 mi103 km

Charge time

—

3.5 h

Chassis

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

159 lb72.1 kg72.1 kg159 lb

167 lb75.7 kg75.7 kg167 lb

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

838 mm33 in

831 mm32.7 in

Ground clearance

290 mm11.4 in

279 mm11 in

Wheelbase

1,300 mm51.2 in

1,260 mm49.6 in

Frame

—

Suspension

Fork

KKE 37 mm Fork, 200 mm travel, compression, rebound & preload adjustab

FastAce inverted fork, adjustable

Front travel

200 mm7.9 in

—

Shock

KKE Rear Shock, 200 mm travel, compression, rebound & preload adjustab

FastAce shock, adjustable

Rear travel

200 mm7.9 in

—

Wheels & brakes

Front wheel

19″CALC

Rear wheel

16″CALC

18″CALC

Front tire

70/100-19

2.75-19

Rear tire

90/100-16

3.00-18

Front brake

—

Rear brake

—

Electronics

Ride modes

—

Regen braking

—

Display

TFT, NFC keyless

LCD dash, Bluetooth

Ownership

Warranty

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.