Do I Need A Short, Medium Or Long Cage Rear Derailleur? | Maintenance Tips

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• published: 20 Jun 2016
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Bigger gear ratios need to have a compatible rear mech. Here's our guide to choosing the right one. Subscribe to GCN: http://gcn.eu/SubscribeToGCN Get exclusive GCN gear in the GCN store! http://gcn.eu/BuyGCNKit_ Sign up to the GCN newsletter: http://gcn.eu/gcnnewsletter If you decide you want a bigger sprocket on the back for climbing, chances are that you'll need a longer rear derailleur that will keep the right amount of tension on the chain and clear that big sprocket. With a fairly simple bit of maths, you can determine the right size you need. We also go into the other considerations you need when switching gear ratios - chain length for example. Watch more on GCN... Thinking of replacing your cassette? Here's how ▶︎ http://gcn.eu/1lUK95e When to replace your chainrings, chain and cassette ▶︎ http://gcn.eu/16nJOQG Buy NEW GCN cycling kit, casual wear and accessories in the GCN Shop: http://gcn.eu/TheGCNShop About GCN: The Global Cycling Network puts you in the centre of the action: from the iconic climbs of Alpe D’Huez and Mont Ventoux to the cobbles of Flanders, everywhere there is road or pavé, world-class racing and pro riders, we will be there bringing you action, analysis and unparalleled access every week, every month, and every year. We show you how to be a better cyclist with our bike maintenance videos, tips for improving your cycling, cycling top tens, and not forgetting the weekly GCN Show. Join us on YouTube’s biggest and best cycling channel to get closer to the action and improve your riding! Welcome to the Global Cycling Network | Inside cycling Thanks to our sponsors: Santini cycling kit: http://gcn.eu/1SFf8PV KASK helmets: http://gcn.eu/1FrbcHK fi’zi:k shoes and saddles: http://gcn.eu/1tsXI7S and http://gcn.eu/1KxBGd5 Topeak tools: http://gcn.eu/1Lc4HAj Canyon bikes: http://gcn.eu/1Oge4gz Muc-Off: http://gcn.eu/1XlT5Og Science in Sport: http://gcn.eu/1GrXo6n Ass Savers: http://gcn.eu/1XlTmkm Orbea bikes: http://gcn.eu/1oks6GH Trek Bicycles: http://gcn.eu/1RUwyGf Vision wheels: http://gcn.eu/1qHTlMu Zipp wheels: http://gcn.eu/1OcMUv5 Powertap: http://gcn.eu/1XlfT2p power2max: http://gcn.eu/1sdoPva Rotor: http://gcn.eu/1q3vtCo Reynolds: http://gcn.eu/1JjCDVL YouTube Channel - http://gcn.eu/gcnYT Facebook - http://gcn.eu/gcnFb Google+ - http://gcn.eu/gcnGPlus Twitter - http://gcn.eu/gcnTW GCN newsletter - http://gcn.eu/gcnnewsletter Leave us a comment below!