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B'TWIN 
Universal Bike Cyclometer Magnet
Reference: 8173020
Developed by our engineers, this magnet, connected to a sensor, will allow you to measure your speed.
Fast, easy, tool-free attachment.Compatible with all spoke sizes and all cyclometers on the market.
color
Only one color available
Size
STOCK IN STORES
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GENUINE PRODUCTS
EASY 90 DAYS RETURN
FREE CLICK & COLLECT
MINIMUM 2 YEARS WARRANTY
Ease of use
Fits onto round or flat spokes.
Compatibility
Compatible with all sensors on the market.
Easy assembly / dismantling
Tool-free fitting.
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