BN 518 Waterproof Bicycle Speedometer & Odometer Computer

Take full control of your rides with the BN 518 Bicycle Speedometer & Odometer Computer. This compact, easy-to-install cycling computer delivers real-time speed, distance, and time data on a clear 2-tier LCD display — perfect for road cycling, mountain biking, and commuting. With IPX5 waterproofing, it keeps performing rain or shine.

Key Features

IPX5 Waterproof Rating — Handles rain, splashes, and wet trails with ease
2-Tier LCD Display — Easy-to-read black-and-white screen (3 x 2.5 cm display, 46 x 46 x 19 mm console)
Current Speed (SPD) — Tracks up to 99.9 km/h or mph in real time
Odometer (ODO) — Cumulative distance from 0.001 to 99,999 km/m
Trip Distance (DST) — Per-ride distance from 0 to 9,999 km/m
Maximum Speed (MXS) — Records your top speed each session
Average Speed (AVS) — Calculates your overall pace per trip
Elapsed Time (TM) — Tracks ride duration from 0:00:00 to 9:59:59
Clock (CLK) — 12H/24H display; doubles as a handlebar watch
Speed Comparator — Instantly see if you're above or below your average
Scan Mode — Automatically cycles through DST, MXS, AVS, and TM every 4 seconds
Configurable Settings — Set speed unit (km/h or mph), tire circumference (0–9,999 mm), and odometer starting value
Maintenance Alert — Reminds you when your bike is due for a service
Auto ON/OFF — Powers on when you start moving, sleeps when you stop to save battery
Operating Temperature — -10°C to 70°C
Sensor Cable Length — Approx. 84 cm for flexible handlebar mounting
Lightweight — Only 66 g (computer console)
Battery — 1 × 1.5V AG13A (not included)

Specifications

Color: Black & Red
Console Size: 46 × 46 × 19 mm
Display Size: 3 × 2.5 cm (2-tier LCD)
Display Color: Black & White
Language: English
Waterproof Level: IPX5
Weight: 66 g
Made in China

What's in the Box

1 × BN 518 Bicycle Speedometer Computer (quantity options: 1, 2, 3, 4, 5, or 6 units)

Note: Activate and test the computer before installation to ensure accurate speed measurement after mounting.

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For more guidance on safe and effective cycling, visit the CDC's Physical Activity Guidelines to learn how cycling supports an active lifestyle.

Frequently Asked Questions

Q: Is the BN 518 bicycle speedometer compatible with all bike types?

A: Yes! The BN 518 bicycle computer is compatible with most road bikes, mountain bikes (MTB), and commuter bikes. Simply set the correct tire circumference (0–9,999 mm) in the settings menu to calibrate the speedometer accurately for your wheel size.

Q: What battery does the BN 518 bicycle computer use?

A: The BN 518 speedometer is powered by a single 1.5V AG13A (LR44) button cell battery, which is not included in the package. These batteries are widely available at most electronics or grocery stores.

Q: How waterproof is the BN 518 cycling computer?

A: The BN 518 has an IPX5 waterproof rating, meaning it is protected against water jets from any direction. It is ideal for riding in rain or wet conditions but should not be submerged in water.

Q: Can I buy multiple units at once?

A: Absolutely! This listing offers multi-pack options ranging from 1 to 6 units — great for cycling clubs, teams, or anyone outfitting multiple bikes at once.