Head to head

ETM RTR XL AlphaVSMantis X Pro

Comparing 2 of 3

Show source notes

Electro & Co · 2026

ETM RTR XL Alpha

Rawrr · 2026

Mantis X Pro

CAdd a bike

Summary

Claimed figures · blanks excluded

Most peak power: ETM RTR XL Alpha18 kW
Lightest: ETM RTR XL Alpha145 lb65.8 kg
Biggest battery: Mantis X Pro2,520 Wh
Best power-to-weight: ETM RTR XL Alpha274 W/kg
Lowest price (USD): Mantis X Pro$3,899

Measured against each other

Peak power

Δ 3 kW

ETM RTR XL Alpha18 kW
Mantis X Pro15 kW

Power-to-weight

Δ 65 W/kg

ETM RTR XL Alpha274 W/kg
Mantis X Pro209 W/kg

Battery capacity

Δ 120 Wh

ETM RTR XL Alpha2,400 Wh
Mantis X Pro2,520 Wh

Weight

Δ 13 lb6.1 kg

ETM RTR XL Alpha145 lb65.8 kg
Mantis X Pro159 lb71.9 kg

Shorter is lighter.

Front travel

ETM RTR XL Alpha—
Mantis X Pro200 mm

Rear travel

ETM RTR XL Alpha—
Mantis X Pro—

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.

$4,499

$3,899

Motor & performance

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

18 kW24 hp

15 kW20 hp

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

—

5 kW7 hp

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

274 W/kgCALC

209 W/kgCALC

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

—

Top speed

70 mph113 km/h

65 mph105 km/h

Battery & charging

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

2,400 Wh2.4 kWhCALC

2,520 Wh2.52 kWh

Pack voltage

80 V

72 V

Pack amp-hours

30 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.

60 mi97 km

62 mi100 km

Charge time

—

Chassis

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

145 lb65.8 kg65.8 kg145 lb

159 lb71.9 kg71.9 kg159 lb

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

813 mm32 in

864 mm34 in

Ground clearance

—

325 mm12.8 in

Wheelbase

1,181 mm46.5 in

1,245 mm49 in

Frame

—

6061 aluminum alloy

Suspension

Fork

DNM 48mm inverted fork, adjustable

—

Front travel

—

200 mm7.9 in

Shock

DNM reservoir shock, adjustable

—

Rear travel

—

Wheels & brakes

Front wheel

17″CALC

—

Rear wheel

14″CALC

—

Front tire

70/100-17

—

Rear tire

90/100-14

—

Front brake

—

4-piston DOT 4 hydraulic, 220 mm disc

Rear brake

—

4-piston DOT 4 hydraulic, 220 mm disc

Electronics

Ride modes

2 Modes + Holeshot

Eco · Sport · Race

Regen braking

—

Display

LCD

Ownership

Warranty

1 Year Limited Warranty

Power system: 365 days or 1,000 miles; parts/workmanship: 30 days or 100 miles, whichever comes first

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