Shovey Posted February 20, 2007 Share Posted February 20, 2007 Hi I use one of those Sigma Sport BC800 Bicycle speedos Had me tyres changed yesterday and the sender has been knocked off the wheel hub! can you get replacement senders or is it just a skinny magnet?? cheers Quote Link to comment Share on other sites More sharing options...
pete g Posted February 20, 2007 Share Posted February 20, 2007 they are normally reed switches with a magnet on wheel to trigger .rs components or maplins sell them Quote Link to comment Share on other sites More sharing options...
congorobot Posted February 20, 2007 Share Posted February 20, 2007 I used the magnet off a magnetic pick-up tool, as its much stronger than the one that came with the bike speedo. Mine used to read fine up to 75ish then go haywire, till I fitted the stronger magnet. Quote Link to comment Share on other sites More sharing options...
oioi Posted February 20, 2007 Share Posted February 20, 2007 i use a magnet from a cupboard door latch. works a treat Quote Link to comment Share on other sites More sharing options...
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