The "halo" part of that name refers to the circular display, which uses color and segmented lights to indicate turn-by-turn directions. (SmartHalo learns your destination through a paired smartphone app.)The system includes a night light that switches on and off automatically, as well as a notification system for incoming calls and messages and inclement weather alerts.

As is seemingly required of every gadget, it has a fitness tracker too.Since this is supposed to live permanently on one's bike -- save for removing it to recharge on occasion -- security is a key factor. SmartHalo appears to be tamper-proof, and it has an alarm system to ward off would-be thieves. The app can lead you to your bike if you've misplaced it.

There's an impressive array of functions crammed into SmartHalo, and for both complete novices and experienced riders, it could prove a boon. The estimated retail price of US$149 seems fair for what SmartHalo can do.

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