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Need a new cadense sensor

While out for a very windy ride over the weekend I realised I had lost my cadense sensor magnet connected to the crank arm.
I was looking into buying one from Ebay then did some digging and there is a suggestions from the states to use stronger magnets such as neodymium, however these conversations are nearly 5 years old and all the links on there are out of date.

https://forums.garmin.com/showthread.php?11854-Using-a-rare-earth-%28neo...

Looked at an online store in the UK who sells magnets but it doesn't looks like they stock the correct size (something like 12.7mm outside diameter x 6.4mm inside diameter x 3.2mm thick) to attach to the peddle bolt as I was thinking of getting some with a hole so I can if needed use an allen key to take the peddles of as these magnets are supposed to be really strong.

Has anyone tried these magnets and recommend a stockist or someone recommend an alternative.

If you're new please join in and if you have questions pop them below and the forum regulars will answer as best we can.

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6 comments

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Martyn_K | 8 years ago
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Maplin also do them if you are in dire need and can't wait for the post. Do a search on their website for magnets and take the part number in to the store.

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Marauder | 8 years ago
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Thanks all just want I need  4

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vonhelmet | 8 years ago
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I bought 5 for £2.60 on ebay, and I've got one on each bike. They are strong, but you can shift them if you need to get the pedals off.

http://www.ebay.co.uk/itm/181531943162

You'll pay more if it says "cycling" or "cadence" anywhere near it.

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PhillBrown | 8 years ago
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I purchased some of these...
http://www.ebay.co.uk/itm/231560894050
(Seller has different quantities listed at better prices if requiring more than one.)

A little hesitant to use them as I was concerned about loosing them! But, after 1000kms including gravel cycle tracks and New Forest cattle grids... The magnet hasn't moved at all and picks-up perfectly. Well recommended...

As strong as they are, they can be removed fairly simply so there's no need to get one with a hole.

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BrokenBootneck | 8 years ago
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If you buy a 5cm x 5cm x2cm you can have a right laugh on the 2p machines in the arcades!

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BrokenBootneck | 8 years ago
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I use a Neodymium on my bikes have no issues with them, be careful applying them as they are brittle and shatter quite easily. Plenty of sites stocking them if you google them.

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