Dropper seatposts are near-ubiquitous on modern mountain bikes, but what separates the good from the bad, how do they work and what should you look out for when shopping for a new one?

Hot on the heels of a nine-way test, BikeRadar digital writer Nick Clark outlines the key buying considerations and spills the beans on the best and worst of dropper seatpost tech today.

He’s joined by BikeRadar MTB presenter Tom Law and deputy editor Jack Luke, who’ve each spent enough time swearing into a seat tube and fishing about for pesky cables to earn a spot in this episode.

BikeRadar’s buyer’s guide to the best dropper seatposts: https://www.bikeradar.com/advice/buyers-guides/best-dropper-posts
Nick’s matt paint op-ed: https://www.bikeradar.com/features/opinion/matt-paint-is-trash

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What we learned testing 9 of the latest dropper posts – and the best revealed