Slammed Vs. Non Slammed | GCN Does Science

Published on August 6th 2017


This year we've noticed more and more of the pro peloton getting into super aero positions with slammed stems and angled saddle set ups. So why the trend, is it really any faster? We put Matt and Dan on a quest to find out. Subscribe to GCN: Register your interest in the GCN Club: Get exclusive GCN gear in the GCN shop! A recent change in the UCI regulations has allowed for more aggressive saddle angles, and teamed with slammed stems we're seeing the pros in some really aero positions. So what's the benefit - is it really any faster? Comparing slammed versus non slammed set ups, Matt Stephens and Dan Lloyd put the theory to the test. The results might surprise you... Do you slam your stem? Let us know below 👇 If you'd like to contribute captions and video info in your language, here's the link 👍 Watch more on GCN... So why do Pros slam their stems? 📹 Find out how to get more aero here 📹 Photos: © Bettiniphoto / & ©Tim De Waele / Music: Mathew Davis - Flux Ulas Koca - Bustin Loose Vincent Alferi - Encore Justin Black, Oscar Hil - Telepathy