Hi,
Please share all your project requirements/task expected from us, so we can give you correct timeline and budget.
Can you please give more details on " place on mountain bike tracks" or if can share i/o (block diagram) details, so that will help in selecting low power microcontroller.
About us:
Micro-controllers we have worked on PIC, STM32, PSOC and AVR.
Development kits and instruments available for testing purpose.
For PCB designs we use KICAD.
C#, LABVIEW, Python for GUI, Controlling or Datalogging purpose.
Thanks and Regards,
Santosh