In addition to the basic navigation function combined with motorcyclists-friendly features like Bluetooth connectivity for headsets and big buttons that work with gloved hands, this new Garmin Zumo 390LM adds compatibility with tire pressure monitoring systems, service history tracking and the ability to plot routes via "curvy roads."

The Zumo 390LM is a high end, aftermarket navigation unit aimed at providing motorcyclists with rider aids beyond simple directions. "It’s light-weight and easy to mount, includes lifetime map updates¹, and can handle the toughest weather conditions," states Garmin.

A sold-separately tire pressure monitor is required for each wheel, but the system is capable of logging and tracking your motorcycle's service history as stock, alerting you when it's time to lube your chain and or change your oil.

It delivers guidance via its large, color screen, obviously, but also over Bluetooth audio to a compatible headset, allowing you to keep your eyes on the road.

The "Curvy Roads" feature allows riders to enter a destination, then allow the unit to take them there via enjoyable roads, rather than highways or stretches of long straight. And, if you're out riding a discover a good road, "Track Back" allows you to record its location and navigate to it in the future.

MSRP is a staggering $700 before TPMS and a Bluetooth headset though.

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