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Mio Cyclo 505 HC review




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Mio Cyclo 505 HC
  • Mio Cyclo 505 HC
  • Mio Cyclo 505 HC
  • Mio Cyclo 505 HC
  • Mio Cyclo 505 HC
  • Mio Cyclo 505 HC
  • Mio Cyclo 505 HC
  • Mio Cyclo 505 HC


Our Score:



  • Bike and car navigation with maps of 23 European countries
  • Cadence and heart-rate sensors
  • 12-hour battery life


  • Premium price
  • Hard to transfer between bikes

Key Features

  • 3-inch screen
  • Bike and road navigation
  • OSM and TeleAtlas maps for 23 European countries
  • Cadence sensor and heart-rate monitor
  • Wi-Fi synchronisation
  • Manufacturer: Mio
  • Review Price: £456.66

What is the Mio Cyclo 505 HC?

The Mio Cyclo 505 HC is a high-end cycling computer with a colour touch screen and sat nav abilities for cycle paths and roads. The 505 HC is part of a family of three devices with a range of features. All have navigation mapping and WiFi, but the 500 doesn't include the ANT sensor and workout programmes of the 505, and the 505 HC we have here adds a heart-rate monitor and cadence sensor to the bundle too. It's price means only serious cycling enthusiasts need apply, but on paper it's a seriously impressive cycling aid.

Mio Cyclo 505 HC

Mio Cyclo 505 HC: Navigation

It's impressive because the Mio Cyclo 505 HC gives you a full set of analytical data from your rides, and it's a rather different experience from the more simplistic cycling computers we have reviewed before, such as Mio's own Mio Cyclo 105 HC. The key element here is the 3-inch colour touch screen, although Mio introduced this before with the 300 series. The hardware is IPX7 rated as well, meaning it can withstand immersion in water up to 1m deep for up to 30 minutes.

The touch screen provides access to an icon-driven menu with a large selection of features. The key difference is the navigation facility, with maps included for 23 European countries. Both OpenStreetMap and Tele Atlas bike map options are available, switchable in the settings. You can enter an address, and the device will calculate a route via car or bike. There are also some useful Points of Interest, such as nearby bike stores, too.

When navigating, the map display isn't the usual pseudo 3D familiar with most in-car sat-navs, it's merely top-down 2D. But you do get the next turning detailed on the top left, with speed and remaining difference along the bottom. Verbal commands are provided, too, so you don't need to look at the device whilst cycling. There are also Dashboard information screens left and right.

To the left is a readout of the hill inclines along your route, with the overall climb, next hill distance, next hill grade, and average grade over the next 5km. The right-hand Dashboard panel shows more general details of your journey, including your average speed whilst active, and the calories you have burned during the journey.

Mio Cyclo 505 HC

It's worth noting that the route is likely to be quite different for a bike compared to a car, and probably quite a bit longer. The 505 can be set to follow bike routes that avoid ways likely to be heavy in automotive traffic, such as major roads, and make a preference for unpaved roads that shouldn't be busy with cars. You can choose these settings individually for the bike setting, and select the opposite for car journeys.

Tim Oldham

August 21, 2013, 11:51 am

Why is no comparison made with Garmin and other competitors? Why no discussion of integration with Strava, bikeroutetoaster, etc?


September 4, 2013, 4:59 pm

Total disaster of a device.that basically does not work when wet. A few minutes a rain renders the touch screen totally useless, after which the unit has to be dry for 5-6 hours before it will respond again. Raised a support case with Mio and they say its a known 'issue'. In the process of returning the device and encountered equally poor support from Mio and the retailer where I purchased the unit. The on device routing is also awful. Steer well clear.

Paul K

September 7, 2013, 10:22 pm

Absolutely brilliant device, dont listen to Phil hes obviously got a dodgy one or is a troll for Garmin. Ive had my Mio since day one and its been faultless, even in the wet. Easily as good as the Garmin i owned if not better. Much cheaper too, you cant go wrong with this gps. Pretty much perfect for bike riding.


September 9, 2013, 10:53 am

I hope it works better than my 305 HC which completely ignores the wheel circumference setting (a bit of a bother when you have bikes with 406-wheels) and occasionally records off-the-wall speeds: during a relaxed ride on Friday, I apparently max'd out at 100+ km/h ... Works just as well/badly in the rain though, but the screen is hopeless in the sun.


March 9, 2014, 12:32 am

I would love the "surprise me" -function... But does it work for MTB cyclists routes? Or does it just give you tarmac-routes?


July 15, 2014, 10:28 pm

I wasted my money on this crap. I live in Chicago and mine shipped without maps for Illinois!

Martin Graham

November 2, 2015, 9:52 am

What a waste of money. Battery will not charge after only 700 miles of use. Mio service centre want to charge me to fix. Looses gps in wooded areas. Has me traveling at 450 mph on my bike with a cadence of 250 rpm. Really. Good points are it is easy to use and set up and display is good. Surprise me function is good. Would I buy again. NO. My old garmin has over 70000 miles and battery is still working fine. Wasted £300.

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