Head to head

ETM RTR XL AlphaVSSting MX5 Pro

Comparing 2 of 3

Show source notes

Electro & Co · 2026

ETM RTR XL Alpha

Talaria · 2026

Sting MX5 Pro

21″ front wheel swap(est.)

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: Sting MX5 Pro2,880 Wh
Best power-to-weight: ETM RTR XL Alpha274 W/kg
Lowest price (USD): ETM RTR XL Alpha$4,499

Measured against each other

Peak power

Δ 4.6 kW

ETM RTR XL Alpha18 kW
Sting MX5 Pro13.4 kW

Power-to-weight

Δ 93 W/kg

ETM RTR XL Alpha274 W/kg
Sting MX5 Pro181 W/kg

Battery capacity

Δ 480 Wh

ETM RTR XL Alpha2,400 Wh
Sting MX5 Pro2,880 Wh

Weight

Δ 18 lb8.2 kg

ETM RTR XL Alpha145 lb65.8 kg
Sting MX5 Pro163 lb74 kg

Shorter is lighter.

Front travel

ETM RTR XL Alpha—
Sting MX5 Pro220 mm

Rear travel

ETM RTR XL Alpha—
Sting MX5 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

$4,990

Motor & performance

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

18 kW24 hp

13.4 kW18 hp

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

—

5.5 kW7 hp

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

274 W/kgCALC

181 W/kgCALC

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

—

500 Nm369 lb-ft

Top speed

70 mph113 km/h

20 mph32 km/h

Battery & charging

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

2,400 Wh2.4 kWhCALC

2,880 Wh2.88 kWhCALC

Pack voltage

80 V

72 V

Pack amp-hours

30 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.

60 mi97 km

75 mi120 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

163 lb74 kg74 kg163 lb

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

813 mm32 in

840 mm33.1 in

Ground clearance

—

300 mm11.8 in

Wheelbase

1,181 mm46.5 in

1,250 mm49.2 in

Frame

—

Suspension

Fork

DNM 48mm inverted fork, adjustable

Adjustable air + spring

Front travel

—

220 mm8.7 in

Shock

DNM reservoir shock, adjustable

Adjustable double spring

Rear travel

—

Wheels & brakes

Front wheel

17″CALC

19″

Rear wheel

14″CALC

19″

Front tire

70/100-17

—

Rear tire

90/100-14

—

Front brake

—

220×3 mm disc, larger calipers

Rear brake

—

220×3 mm disc, larger calipers

Electronics

Ride modes

2 Modes + Holeshot

—

Regen braking

—

4-level, plus regen brake lever

Display

LCD

Color TFT

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.