Bike speedo
Posted by
P. J. Hicks
on 2003-01-06 11:03:29 UTC
I have used several older bicycle computers that had a second input for
clocking the pedal rpm directly. simple magnet strapped to the pedal crank
and a sensor mounted on the frame. On several bikes I drilled a shallow hole
in the crank and epoxied the magnet into the hole.
PJH
clocking the pedal rpm directly. simple magnet strapped to the pedal crank
and a sensor mounted on the frame. On several bikes I drilled a shallow hole
in the crank and epoxied the magnet into the hole.
PJH