ad lacny cyklopocitac
https://www.ebay.com/itm/Bryton-Rider-15E-GPS-Bike-Bicycle-Cycling-Bluetooth-Wireless-Auto-Sync-Computer/173737825268
https://www.brytonsport.com/#/R15

podporuje BLE senzory (ja mam napriklad HR ze Decathlonu a Cadence z Aliexpresu)
podporuje presnejsie GNSS zameriavanie (GPS+dalsi system podla dostupnosti)
dobra vydrz baterie
nevie to zobrazit mapy