Hello, unfortunately I had decided on this bike computer because he by Design well fitted to my bike. The installation was so far also OK. Worked then more bad than good repeatedly radio contact from then broke no connection more. Ok I thought battery said renew the sender done oh'm going again. Then next day bike back from the Keller brought FC does not go back Ok I thought the battery was getting old CR 2032 again brought new 3 the same Game esteems one day and overnight empty again tried again again 3 the same game no desire more spare parts not to get (transmitter). Accounting course away so rubbish .... Faith is also cheaper to buy me a new one but no Trelock of ...