Make cycling even more fun for your youngster by giving them Trek's Time Dialed Child Computer. This fun, easy-to-use bike brain displays current speed, total distance, and the time. It fits on all bicycle handlebars and is waterproof and UV resistant for excellent durability.
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I used it with my fuji mountain bike. When i bought it in a specialty store, the mechanics had a hard tine installing it, then eventually worked.When i went back to the [...] and installed it on my bike, it took hours of biking before it functioned. I really thougtht it had a factory defect or something.All in all, iit is ok:)