How To Size A Bike Chain Length

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1. Pretty neat, RJ. Thanks! :)
2. Park Tool gives three methods for sizing a chain on a derailer equipped bike. The second method they list is the easiest and is also the method given by the late Sheldon Brown.
   http://www.parktool.com/blog/repair-help/chain-length-sizing#article-section-1
   http://sheldonbrown.com/derailer-adjustment.html#chain
3. This is a proper way in demonstration how to determine a right chain length, well-done and thank you. Do you sell those chain hangers? just kidding...
4. Excellent. Love the 'make do' wire tool. Brilliant.
5. Great tip to create a simple tool to hold the chain together, off to the man cave now to fit the chain.
6. Super helpful, thankyou RJ!
7. Do you have a video on how you made that tool out of a coat hanger? Thanks
8. RJ, thank you for sharing your knowledge, you are an amazing teacher!
9. hello RJ i like your method seems full proof even checks derailleur capacity your video is only one ive seen that does this method i think its the best .i have a question sram say to size there chains by big big combo bypassing the derailleurs and from were the chains get pulled together and touch count over 3 rivets will this method always give me a male end of chain were i break it 3 rivets up just want to understand how the chain works RJ and not saying your method isnt superior to srams ? keep up the good work your videos are the best on youtube
10. I got number 1000! Thanks for a great video and greetings from Norway:-)
11. great vid, thanks.
12. Would you say it's acceptable to reuse a master link?
13. thanks for this video! I watched a different one, before putting a $50 chain on my dad's cannondale. I used the old one as guide, didn't work right, and I'm just glad it was too long rather than too short!
14. Grew video. That was my 1st road bike. 1986?
15. You're the best RJ!
16. Hi R.J: Will the Quik-Link work with the old Sachs/Sedis (6sp) chains?(I bought the PC90 and took some links out and tried to re-connect the supplied pin, but it kept working its way out). I don't want the Quik-Link pin to work its way out, too
17. Thanks!!
18. Very informative. I just bought a trike from China which had zero, nada, instructions not even chinglish. LOL RJ you are quite good at show and tell. I work on things a lot but bicycles are not my normal playthings.
    
    That little chain widget is pure genius.- one of those little 'pro' tips' that can be a real time saver. I am setting up the chain and derailleurs tomorrow. Since the trike has an adjustable boom for the crankset to seat length that will be a very useful item that I will make first thing!
    
    There was only one thing that caught my eye immediately. That was your wedding band. As a safety point I never wear any jewelry when working on things that are either electrical or have moving parts. No ties, no long sleeve shirts nothing loose.
    
    I realize everyone has deep personal feelings for wedding bands as a pro the risk is your choice. Rookies and part-timers should take heed when wearing anything that can catch in a moving part.
    
    OTW Bravo!
    
    Jim
19. Thank you very much for taking the time to explain the process fully. Its been over 50 years since I rode a bike and I just bought a new 21 speed bike. I had absolutely zero idea how to determine length for a new chain. The details you showed about where the chain should have the spacings in the different locations is key. Your lighting and camera angles are very good. Thanks again.
20. why some people measure big chainring and biggest cog