Yes, I will try the GPL licensed bike computer

GitHub - hishizuka/pizero_bikecomputer: An open source bike computer based on Raspberry Pi Zero (W, WH, 2W) with GPS and ANT+ support, as well as offline maps and navigation functions.
An open source bike computer based on Raspberry Pi Zero (W, WH, 2W) with GPS and ANT+ support, as well as offline maps and navigation functions. - hishizuka/pizero_bikecomputer