Quick Summary
The JZK wired bike computer is a handlebar-mounted cycle speedometer with an LCD backlight display and 19 functions. It is designed to show riding data such as speed, mileage, riding time, temperature, clock and calories, with km/h and mph unit selection.
The display includes a green backlight, and the unit has IP54 waterproof protection. It also features automatic sleep after 5 minutes of inactivity and an automatic start function when riding begins.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Product type | Wired bike computer with LCD backlight display for bicycle use. |
| Functions | 19 functions, including instantaneous speed, average speed, speed comparison, single/total mileage, riding time, temperature, clock and calories. |
| Speed units | km/h and mph selection is supported, which matters if you prefer metric or imperial readings. |
| Protection | IP54 waterproof protection. This is a useful check for wet-weather riding, but it is not a claim of full weatherproofing. |
| Handlebar fit | The bracket is stated for 22.2 mm to 31.8 mm handlebar diameter. |
| Included items | Magnet, anti-slip silicone, sensor and nylon ties are included for installation. |
What to Compare Before Buying
- Handlebar diameter: The bracket is stated for 22.2 mm to 31.8 mm handlebars, so check your bike’s bar size before ordering.
- Display needs: The large LCD backlight display and green backlight suit riders who want clear readouts in lower light.
- Functions: Compare the 19 listed functions with the riding data you actually want to see.
- Weather use: The IP54 rating gives a defined protection level, so confirm that this matches the conditions you expect to ride in.
- Fitment setup: The sensor, magnet and bracket arrangement means the mounting layout needs to suit your bike frame and fork position.
Common Buyer Questions
Does it need a wired setup?
Yes. This is a wired cycle speedometer with a separate sensor and magnet setup.
What handlebar sizes does it fit?
The bracket is stated for 22.2 mm to 31.8 mm handlebar diameter.
Can it show both metric and imperial speed readings?
Yes. km/h and mph selection is supported.
What comes in the box?
The included items named are the magnet, anti-slip silicone, sensor and nylon ties.
Before You Decide
Check the handlebar diameter, the wired sensor layout and the 22.2 mm to 31.8 mm bracket range before choosing an offer. Confirm that the 19 functions and IP54 protection level match the way you plan to ride.
