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What are these odd things on my wheels for?

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and can I just throw them away?ย  ย On a nrw cube ebike.ย  ย they just come off if you undo the locking ring on the valve stem.ย  ย I am going to be converting to tubeless

 

20260410_171751.jpg20260410_171737.jpg20260410_171715.jpg


 
Posted : 10/04/2026 5:21 pm
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I'd say packing so the valves don't get snapped off in shipping.


 
Posted : 10/04/2026 5:25 pm
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Bosch motor? Magnet for sensor.

 

https://www.tredz.co.uk/.Bosch-Wheel-Rim-Magnet_266788.htm


 
Posted : 10/04/2026 5:28 pm
Fat-boy-fat reacted
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scotroutes has it.

 

this is a insurance replacement and the previous one had a spoke magnet


 
Posted : 10/04/2026 5:33 pm
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What happened to the old one TJ?ย 


 
Posted : 10/04/2026 6:02 pm
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Magnet for sensor.

Good job you didn't lob it out!ย 

What a bloody ugly solution though.ย 


 
Posted : 10/04/2026 7:10 pm
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That's a daft solution for a speed magnet. What if you are tuned and puncture? That's too easy to loose in the grass.


 
Posted : 10/04/2026 7:15 pm
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Saw a video where a mechanic had to add weights on the opposite side to balance the wheel.

 

 


 
Posted : 10/04/2026 9:00 pm
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Posted by: TomZesty

What happened to the old one TJ?ย 

 

stolen.ย  I stupidly left it for two weeks visible in a stairwell.ย  ย Scrotes cut the lock off..ย ย 

 


 
Posted : 10/04/2026 9:40 pm
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It's not too bad a solution, as easy to move across to new/alternative wheel.


 
Posted : 10/04/2026 11:14 pm