Does Bike Crank Length Matter & Should You Change Yours?

Published on January 8th 2023


Bike fit expert Jake Yarranton is back to take a deep dive into crank length with Alex. They discuss the basics of crank lengths and how changing the length of your crank arms can change your performance on the bike. Alex also gets on the indoor trainer to compare the extremes of crank lengths. Does it make a difference and should you change yours?

00:00 Intro
00:40 What is crank length?
01:56 How does crank length affect riding?
02:27 Is your crank length right?
05:18 Can changing crank length improve performance?
07:10 Comparing different crank lengths
12:30 Should everybody look into crank length?
13:06 Do different crank lengths use different muscles?
13:32 Are shorter cranks better?
14:09 Summary

Useful Links:
Adventure Documentaries, Exclusive Shows & Live Racing on GCN+:
Download the GCN App for free:
Visit the GCN Shop:
Join the GCN Club:

Have you ever changed your crank length? Let us know in the comments below! 💬

If you liked this video, be sure to give it a thumbs up 👍 and share it with your friends!

Watch more on GCN...
📹 Finding The Perfect Saddle Height For Cycling 👉
📹 Watch our Editor’s Choice Playlist 👉 
📹 Watch the latest GCN Tech Show 👉 

🎵 Music - licensed by Epidemic Sound 🎵
A Breeze - spring gang
Appetite (Instrumental Version) - Zorro
Are You Happy Now - The Big Let Down
Bad Friends (Instrumental Version) - Mimmi Bangoura
Pearl (Instrumental Version) - Adelyn Paik

#gcntech #gcn #cycling #roadbike #bike #bikes #bikelife

Photos: © Velo Collection (TDW) / Getty Images & © Bettiniphoto /

Brought to you by the world’s biggest cycling channel, the Global Cycling Network (GCN), GCN Tech is the only channel you need for all things bike tech – past, present and future.

Simply put, we’re obsessed with tech: we seek out and showcase the best in bikes, components, tech, accessories, upgrades and more from races and events, tech shows and product launches across the globe to bring you the best in road bike technology.

We’ve also got great maintenance videos to help you get the most from your bike; pro-bike tours from all the biggest races; special features and the weekly GCN Tech Show. We also take a deeper look into the future of cycling, apps, smart tech and virtual riding. 

Join us on the channel and the GCN App to submit your content, vote on the latest tech and keep abreast of exciting new trends. 

Thanks to our sponsors:
Castelli Clothing:
Giro Helmets:
Pinarello Bikes:
Zipp Wheels:
Topeak Tools:
Canyon Bikes:
Pirelli Tyres:
Orbea Bikes:
Vision Wheels:
Wahoo Fitness: 
Park Tool:
Elite Bottles:
Whoop Fitness:
Selle Italia:
Shimano Wheels:
Shadow Stand:
DMT Shoes:

Watch our sister channels:
Global Cycling Network - 
GCN Racing - 
Global Triathlon Network - 
GCN Italia - 
GCN en Español - 
GCN auf Deutsch - 
GCN en Français - 
GCN Japan - 
GCN Training - 
Global Mountain Bike Network -
GMBN Tech - 
Electric Mountain Bike Network -