Freedom to go further

Introducing the new handheld GPS range from Ordnance Survey.
Easy-to-use, rugged and packed with features for walking and off-road cycling.

Quick comparison view

OS Velo cycling GPS

OS Velo cycling GPS

Streamlined cycling computer with advanced navigation across any terrain

OS Horizon GPS

OS Horizon GPS

Compact and lightweight, with advanced navigation for walking or off-road cycling

OS Trail GPS

OS Trail GPS

Go further, with advanced navigation on a large screen. Comes in handheld and bike versions.

OS Adventura GPS

OS Adventura GPS

Go further for longer, with advanced navigation and bigger battery

OS Velo GPS detailed view


Streamlined cycling computer with advanced navigation across any terrain.

Easy to mount on any bike, Velo is streamlined, lightweight and rugged enough to handle all weather conditions. With advanced navigation and performance tracking, this is a device that will help you push harder whenever you’re off-road cycling.

Plus, use our world-renowned mapping, with OS 1:25k and 1:50k map tiles and OS 1:250k basemap.

Buy here

Key Velo features at a glance

Battery icon

10 hour fixed battery

3 inch screen icon

3" transflective touchscreen

memory icon

16GB internal memory

Quicklock icon

QuickLock bike attachment & mounts

IP6/7 icon

Water and dust resistant (IP67)

Map tiles icon

Includes 1:250k GB basemap, plus 6 x free OS 1:25k map tiles

Accelerometer Barometric Altimeter Compass icon

Accelerometer, Barometric altimeter,
3-axis compass

full specification

SeeMe Logo

OS GPS have a built-in SIM card with exclusive access to SeeMe, for advanced safety features wherever you go.

I.C.E (In Case of Emergency) - send emergency alerts with your exact coordinates to family and friends directly from your OS GPS, should you get into trouble.

Live Tracking - be locatable at all times, by sharing your location and performance data with up to 20 friends in real-time – all without a smartphone.

SeeMe is a subscription-based service through our partners TwoNav – all OS GPS include a 6-month free subscription, which can be extended for £26 per year.


Navigate and explore GB using the world-renowned accuracy of Ordnance Survey mapping, including OS 1:250k base mapping as standard and OS 1:25k and 1:50k mapping available to purchase.

Purchase 25km x 25km map tiles individually, buy entire regions or to be fully equipped get the whole of GB in one bundle. You can also get worldwide mapping, through our partners TwoNav. 

GPS mapping


all os gps region maps


Get the most out of your Velo with our range of OS accessories

GPS heart rate monitor

Heart rate sensor

Ideal for cyclists, trail runners and walkers to record heart rate over time

GPS cadence speed sensor

Cadence and speed sensor

Connects to any of the devices for use on a bike, recording both cadence and crank speed

GPS cycle upfront mount

Upfront bike mount

Handlebar mount with QuickLock system, suitable for both off-road and road bikes

Compare the OS GPS range

  OS Velo GPS
OS Horizon GPS
OS Trail GPS
OS Aventura GPS
RRP £369.99 £424.99 £434.99 £499.99
Dimensions 60 x 105 x 20 mm 60 x 105 x 23 mm 80 x 130 x 20 mm 80 x 130 x 28 mm
Weight 110g 125g 215g 250g
Display type Transflective touchscreen Transflective touchscreen Transflective touchscreen Transflective touchscreen
Display size 3" 3" 3.7" 3.7"
Display resolution 240 x 400 pixels 240 x 400 pixels 640 x 480 pixels 640 x 480 pixels
Buttons (front) 2 2 4 + joystick 4 + joystick
Battery Rechargable Li-ion Rechargable Li-ion Rechargable Li-ion Rechargable Li-ion
Battery life 10hrs 10hrs 20hrs 24hrs
Removable battery    
Built-in memory 16GB 8GB 16GB 16GB
microSD™ up to 64GB (not included)    
Water & dust resistant IP67 IP67 IP67 IP67
Temperature resist -10° to +60°C
3-axis compass
Barometric altimeter
GPRS communication
Ant+™/ Bluetooth® Smart
Performance tracking
Basemap (OS 1:250k full GB)
1:25k & 1:50k OS map tiles available
Free 1:25k OS mapping 6 x 1:25k tiles 6 x 1:25k tiles 6 x 1:25k tiles 12 x 1:25k tiles
Waypoints, routes & tracks Unlimited Unlimited Unlimited Unlimited
Compatible with external sensors

Where to buy your OS GPS

Ordnance Survey Logo
Ordnance Survey online shop


Millets Blacks Snow + Rock Cotswolds

OS GPS support

Find getting started guides, full manuals, instruction videos and more at the OS GPS support hub. You can also contact customer services with any questions you may have, before or after purchase.



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