Everything You Need To Know About Gear Ratios | Choosing Cassettes, Chainrings & Shifters Explained

The gears on our bike can seem like a tricky and complicated concept to understand, and that is especially the case when we start to discuss the idea of gear ratios. So what exactly are they, how do they work, and crucially what do they mean for us when we are riding? Mark is here to explain all! Subscribe to GTN: http://gtn.io/SubscribetoGTN Check out the GTN Shop: https://gtn.io/Rk If you enjoyed this video, make sure to give it a thumbs up and share it with your friends. 👍 Submit your content here: https://upload.globaltrinetwork.com/ Watch more on GTN... 📹 Cheap Bike To Super Bike: The Upgrade! 👉 https://gtn.io/CheapBikeEp3 📹 UCI TT Bike Vs Triathlon Bike 👉 https://gtn.io/UCIlegalVsTriBike Music - licensed by Epidemic Sound: ES_Lacklustre Foray - Ritchie Everett ES_Send in the Clowns - The New Fools ES_Would if I Could - The New Fools Photos: © Triathlon / Getty Images The Global Triathlon Network (GTN) is the world's biggest triathlon YouTube channel, with new videos every day! GTN is for anyone who loves triathlon: from seasoned triathletes to first timers – and everyone in between! With the help of our former pro and Olympic medal winning team, we’re here to inform, entertain and inspire you to become a better triathlete; including videos on: How to swim, bike, and run faster with expert knowledge Try our session ideas Investigations into wide ranging topics The best triathlon bike tech and gear with pro know-how In-depth, entertaining features from the heart of the sport Chat, opinion and interact with us across the channel and on social media! Join us on YouTube’s best triathlon channel to get closer to the sport and to become a better, faster and fitter triathlete! Welcome to the Global Triathlon Network. Thanks to our sponsors: Canyon bikes: http://gtn.io/canyon-bikes Felt bicycles: https://gtn.io/Felt THEMAGIC5: https://gtn.io/TheMagic5 MET Helmets: https://gtn.io/MET Nuzest: https://gtn.io/nuzest ON Running: http://gtn.io/On-Running Orca: http://gtn.io/Orca Park Tool: http://gtn.io/parktool Selle Italia: https://gtn.io/SelleItalia Team Bath: http://gtn.io/TeamBath Wahoo: https://gtn.io/Wahoo Zwift: http://gtn.io/zwift YouTube Channel - http://gtn.io/YouTube Facebook - http://gtn.io/Facebook Instagram - http://gtn.io/Instagram Twitter - http://gtn.io/Twitter Google+ - http://gtn.io/GooglePlus Strava Club - http://gtn.io/stravaclub GMBN Tech - http://gmbn.tech/subscribe GCN Tech - http://gcntech.co/subscribe EMBN - http://embn.me/subscribe