Uploaded October 2025 | Updated September 2026, 2 weeks ago
Saddle comfort is the most important thing to get right for all cyclists. Whether you’re riding road, gravel, mountain bikes, or time trials, finding a saddle that works for you will make a huge difference to your enjoyment on the bike.
Through cutting-edge 3D printing, Czech brand Posedla has created the world’s first fully custom 3D-printed saddle. Using its mouldable foam ‘Smiling Butt Kit’, you can send off a bespoke mould of your behind for Posedla to create a custom saddle that promises pressure-free comfort.
In this video, Ollie goes through the whole process – taking a mould with the Smiling Butt Kit, ordering a Posedla saddle and receiving a fully custom 3D-printed saddle! posedla.co.uk
00:00 Intro
00:21 Smiling Butt Kit
01:34 Online Configurator
02:27 Joyseat Design
03:20 Joyseat Details
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Saddle comfort is the most important thing to get right for all cyclists. Whether you’re riding road, gravel, mountain bikes, or time trials, finding a saddle that works for you will make a huge difference to your enjoyment on the bike.
Through cutting-edge 3D printing, Czech brand Posedla has created the world’s first fully custom 3D-printed saddle. Using its mouldable foam ‘Smiling Butt Kit’, you can send off a bespoke mould of your behind for Posedla to create a custom saddle that promises pressure-free comfort.
In this video, Ollie goes through the whole process – taking a mould with the Smiling Butt Kit, ordering a Posedla saddle and receiving a fully custom 3D-printed saddle! posedla.co.uk
00:00 Intro
00:21 Smiling Butt Kit
01:34 Online Configurator
02:27 Joyseat Design
03:20 Joyseat Details
Listen to the BikeRadar Podcast
→ bikeradar.com/bikeradar-podcast
Follow BikeRadar on our social media channels:
→ instagram.com/bikeradar
→ facebook.com/bikeradar
→ twitter.com/bikeradar
BikeRadar is supported by Mountain Biking UK and Cycling Plus Magazine –For more information and to subscribe please visit
→ bit.ly/3nMr3Rn
For more content like this see our latest subscription offer –
→ cyclingplus.com/subscribe-today
→ mbuk.com/subscribe-today
