Jamez Posted May 15, 2011 Report Share Posted May 15, 2011 This is my front speedo sensor which mounts on the right front fork. It is a magnet sensor that feeds info right to the cluster. The round magnet has multiple cracks and is broken into 4 pieces.Does anyone know or can speculate as to why this happened?I don't remember hitting anything and I haven't had my wheel off recently so I know I didn't mess it up.I was just out riding and looked down and my speedo said zero. Quote Link to comment Share on other sites More sharing options...
Likwid Posted May 15, 2011 Report Share Posted May 15, 2011 Magnets! How do they fucking work? Quote Link to comment Share on other sites More sharing options...
Jamez Posted May 15, 2011 Author Report Share Posted May 15, 2011 It creates a magnetic field with 2 spots that are not magnetic. When the wheel spins it creates a digital ( on/off ) signal that the cluster can convert to a speed signal based on the non magnetic spots passing over the sensor.I'm asking if anyone can speculate how to cracked in 2 spots if I didn't hit anything. I can't imagine magnetic getting brittle with time but I'm just guessing Quote Link to comment Share on other sites More sharing options...
Ansky Posted May 15, 2011 Report Share Posted May 15, 2011 This is actually a common problem. Often the magnet is broken when putting the front rim back on(Tire change). The magnet is a brittle ceramic and easy to break. Best bet is to glue it back together with epoxy or shell out $180. and hope it doesn't break again. Quote Link to comment Share on other sites More sharing options...
Likwid Posted May 15, 2011 Report Share Posted May 15, 2011 Magnets! How do they fucking work? Quote Link to comment Share on other sites More sharing options...
Jamez Posted May 15, 2011 Author Report Share Posted May 15, 2011 Strange thing is that I haven't had the tire off in hundreds of miles and as I said I don't remember hitting anything.I've had to shell out the 180 cause I think its too broken to try and rig it Quote Link to comment Share on other sites More sharing options...
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