Nothing is bound to cause a family argument quite like getting lost, so don’t take the risk, pick up a GPS device from Tiso. Light, portable electronic devices, stocked with all the maps and directions you could need to get you through your adventure. If you’re already a natural navigator, then set yourself a new challenge for the road, grab a bike computer to monitor your ride. Some of our range of premium bike computers are packed with features such as heart rate monitoring, calories counter and fitness challenges.