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SpeedReflex

GPS speed test · Cycling

Bike Speed Test

Turn your phone into a cycling computer. Mount it on your handlebars or keep it in your jersey pocket to see your current speed, average pace and total distance — with no wheel sensors required.

GPS off
Current speed0KM/H

Max speed
—
Avg (moving)
—
Distance
—
Trip time
—
Moving time
—
Heading
—
Altitude
—
Set Speed Alert
km/h

Beep and vibrate when exceeding this speed.

Trip log

No points recorded yet

0KM/H

Place phone on dashboard under windshield for reflection at night.

  • Live cycling speed
  • Moving average & max speed
  • Trip odometer
  • E-bike limit alerts
  • Export GPX for Strava
  • Screen stays awake

How it works

Turn Your Phone into a Bike Computer

  1. 01

    Mount or Pocket

    Secure phone to handlebar mount or slip into jersey pocket.

  2. 02

    Press Start

    Enable GPS tracking before setting off on your ride.

  3. 03

    Analyze Trip

    Review top speed, moving time, and download GPX tracks after your ride.

Regulations

E-Bike Speed Limits by Region

Where legal electric motor assistance cuts out across major jurisdictions.

E-Bike Speed Limits by Region
Jurisdiction / ClassAssist Cutoff SpeedMax Motor Power
European Union (Pedelec / EN 15194)25 km/h (15.5 mph)250 W
United Kingdom (EAPC)15.5 mph (25 km/h)250 W
USA Class 1 & 220 mph (32 km/h)750 W
USA Class 3 (Speed Pedelec)28 mph (45 km/h)750 W

Motor assistance disengages above these speeds, but you can pedal faster using pure muscle power.

Rider Setup

Handlebar Mounting & Battery Advice

Stem & Bar Mounts

Use a mechanical twist-lock or silicone retention mount to withstand road vibration.

Battery Consumption

GPS reception is passive, but keeping the screen awake on full brightness drains battery; consider an external battery bank on long rides.

FAQ

Bike Speed Test FAQ

How fast does an average cyclist ride?

Can I export my ride to Strava or Komoot?