Xoss g.
No wires. No sensors. No little magnet on the spokes. No calibration.
GPS-based.
Some folks absolutely freak out when you say 'GPS-based'. Yeah, the Xoss g doesn't have mapping, it just communes with the satellites and tells you how fast you're moving and the distance you've moved.
Last edited by tcs; 07-02-23 at 05:36 AM.