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Zero SR/F (Gen2) — Electric Motorcycle
Zero Press

2020–2026 · Electric Motorcycle · Buyer's Guide

SR/F (Gen2)

3.5 / 5 NastyNils Rating · against its class

The Silent Torque Machine

The Machine's Character

The SR/F is Zero's electric naked bike, and the numbers tell the story fast: 111 hp at 5,600 rpm and 140 lb-ft of torque from an air-cooled ZF75-10 motor. There's no clutch and no gearbox, just a single speed and a Gates Carbon Drive belt to the rear wheel. The motor sits in a steel trellis frame on proper 17-inch rubber, a 120/70 front and a 180/55 rear, so the stance is pure naked roadster. Cornering ABS, traction control and ride modes come standard, along with cruise control, a TFT display and smartphone connectivity. This is a fully equipped streetbike first. Not a tech demo!

Read the spec sheet and the target is clear: the city during the week, back roads on the weekend. A 31.0 in (787 mm) seat keeps it approachable, and with no clutch and no gears to shift, stop-and-go traffic loses its sting. The belt means there's no chain to clean or lube. At 500 lb (227 kg) wet it's no lightweight, and with a 14.4 kWh battery your day revolves around a charger, not a gas pump. Want quiet, instant torque and low upkeep? The hardware points straight at you. Simple as that!

Hard Numbers

Spec sheets don't ride bikes, but they set the baseline.

Show full specs & equipment Hide specs & equipment
Key specifications
Power 111 hp (83 kW) @ 5,600 rpm
Torque 140 lb-ft (190 Nm)
Engine Electric
Cooling Air-cooled
Gearbox 1-speed
Final drive BeltMotorcycles With Belt Drive →
Front tire 120/70-17
Rear tire 180/55-17
Seat height 31.0 in (787 mm)
Wet weight 500 lb (227 kg)

Equipment check

Chassis

  • Manually Adjustable Front Suspension Standard
  • Manually Adjustable Rear Suspension Standard
  • Cruise Control Standard

Comfort

Connectivity

  • TFT Display Standard
  • Smartphone Connectivity Standard

Lighting

  • LED Headlight Standard

Safety

  • ABS Standard
  • Traction Control Standard
  • Ride Modes Standard

Signature Tech

The named systems that set this bike apart — and what each one does for you.

Drivetrain

  • Gates Carbon Drive Standard
    • Agile weight reduction
Elevated aerial view of Seattle's downtown skyline looking toward the city core along a dense urban street canyon. A mix of glass-and-steel skyscrapers and mid-rise residential towers fills the frame. A construction crane is active on the left. The street below carries light vehicle traffic flanked by mature street trees.
Josh Hild / Pexels

The Truth on the Street

Two decades of listening to riders tells you more than any spec sheet. With the SR/F, that feedback reaches me steadily through owner messages, paddock conversations, and the notes that land in my inbox. It settles around one familiar pattern: real warmth for how the bike moves and how little it demands day to day, with the grumbles saved almost entirely for weight and charging.

Where the goodwill sits

Torque leads every conversation. Riders talk about the 140 lb-ft waiting the moment they roll on, and the acceleration that follows pulls the same grin from nearly everyone. They call the delivery smooth and linear, with no shift to interrupt it. Many single out the stability electronics too, the cornering ABS and traction control that hold their confidence when the road turns mixed. A steady note is how little the bike asks between rides, no oil and no clutch to tend, just belt and tire checks.

The two gripes that stick

Two objections recur. Owners find the SR/F heavy, close to 500 pounds, and slow to fall into tight corners without deliberate effort. The other is charging. With no DC fast charging on hand, they say longer rides turn into a slog, and even the onboard charger leaves top-ups trailing bikes set up for CCS.

Known issues

  • Front brake light switch failure

    brakes rare Recall

    Water intrusion can cause the front brake light switch to malfunction, resulting in no brake light or cruise control interruption. Affects 2020 models.

  • Front brake caliper bolts recall (2022)

    brakes rare Recall

    Some 2022 models were built with incorrect thread pitch caliper bolts, which could loosen and reduce braking force.

  • Inaccurate state of charge (SOC) and range estimation

    electrics occasional

    Some owners report that the battery state of charge and estimated remaining range are unreliable, leading to unexpected range anxiety.

  • Gauge cluster condensation

    electrics occasional

    Moisture can appear inside the instrument cluster after rain or washing, although it typically clears quickly.

The Expert Benchmark

Where this Zero SR/F pulls ahead of — or falls behind — its rivals on the numbers, and the typical bike in its class on character.

What kind of bike this is — character vs. the class

This bike Class average

The 'Should I Buy It?' Score

Forget spec-sheet bragging. Here's who the SR/F is actually built for.

Aerial photograph of downtown Austin, Texas, showing modern high-rise buildings against a clear blue sky. Urban infrastructure, highways, and parking structures visible in the foreground.
Thomas Balabaud / Pexels

Best electric motorcycle for commuting?

You're the best fit here: no clutch, no gears, a belt instead of a chain and 140 lb-ft for the daily commute, with enough bike left for short weekend runs. Just plan around charging.

Made for Austin · Skyline Boulevard · Denver

Best motorcycle for Bay Area?

A solid fit, though not the closest: it covers the weekday commute, and the quiet, torque-rich motor and generous lean clearance suit twisty weekend ridge roads. Charging sets the length of your loop.

Made for San Francisco Bay Area · Skyline Boulevard · Big Sur Coast Highway

Alternatives to the Zero SR/F

If this one isn't quite the fit, these are the bikes worth riding back-to-back against it.

Any price note compares both bikes at the same age — the youngest age both have on the used market — against this Zero SR/F. “cheaper/pricier” is what that bike costs second-hand, not how worn it is.

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