Head to head

Sting R MX4VSEM5 Ultra

Comparing 2 of 3

Show source notes

Talaria · 2023

Sting R MX4

21″ front wheel swap(est.)

Valtinsu · 2026

EM5 Ultra

CAdd a bike

Summary

Claimed figures · blanks excluded

Lightest: EM5 Ultra143 lb64.9 kg
Best power-to-weight: EM5 Ultra123 W/kg

Measured against each other

Peak power

Sting R MX48 kW
EM5 Ultra8 kW

Power-to-weight

Δ 2 W/kg

Sting R MX4121 W/kg
EM5 Ultra123 W/kg

Battery capacity

Sting R MX42,700 Wh
EM5 Ultra—

Weight

Δ 2 lb1.1 kg

Sting R MX4146 lb66 kg
EM5 Ultra143 lb64.9 kg

Shorter is lighter.

Front travel

Sting R MX4—
EM5 Ultra150 mm

Rear travel

Sting R MX4—
EM5 Ultra—

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.

CAD $5,799.99CAD

$2,199

Motor & performance

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

8 kW11 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.

121 W/kgCALC

123 W/kgCALC

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

45 Nm33 lb-ft

—

Top speed

53 mph85 km/h

56 mph90 km/h

Battery & charging

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

2,700 Wh2.7 kWh

—

Pack voltage

60 V

—

Pack amp-hours

45 Ah

25 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.

62 mi100 km

75 mi121 km

Charge time

3 h

—

Chassis

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

146 lb66 kg66 kg146 lb

143 lb64.9 kg64.9 kg143 lb

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

840 mm33.1 in

800 mm31.5 in

Ground clearance

300 mm11.8 in

231 mm9.1 in

Wheelbase

1,250 mm49.2 in

1,059 mm41.7 in

Frame

6061 T4 & T6 aluminum alloy

—

Suspension

Fork

Fastace or Talaria Factory

Front hydraulic shock absorbers with a 5.9-inch (150 mm) stroke

Front travel

—

150 mm5.9 in

Shock

Fastace / HT / Talaria Factory

Rear adjustable air suspension dampers with a 2.0-inch (50 mm) stroke

Rear travel

—

Wheels & brakes

Front wheel

19″

17″

Rear wheel

19″

14″

Front tire

70/100-19

—

Rear tire

80/100-19

—

Front brake

220 mm rotor

—

Rear brake

220 mm rotor

—

Electronics

Ride modes

—

Eco - Drive - Sport

Regen braking

4-level adjustable

—

Display

Speed, battery, voltage, odometer

Smarter VA LCD display

Ownership

Warranty

One-year limited

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.