What does a worn drivetrain look like? Worn chain worn pulleys worn chainring
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- čas přidán 8. 09. 2021
- In this video we will discuss what a worn drivetrain looks like. In this example, the chain has worn the chainring, cassette and pulleys on the rear derailleur. If you found the information useful please subscribe to the channel if you give it a thumbs down please provide me with feedback as to why you didn't like the video ... it's the least you can do :-)
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I am a father to two wonderful boys, Nicholas and Alexander. I am a bike shop owner/bike fitter/coach in San Marcos - San Elijo Hills... and Hall of Fame Ultra Cyclist - of 3 different cycling organizations.
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Thank you, just what I needed to hear.
You’re Welcome! Thank You for watching please consider subscribing
Is that amount of corrosion common around there? I don't see that here in Texas unless someone has stored their bike in the same room with chlorine pool chemicals (It doesn't matter if the chemicals are in a sealed container The chlorine gets out.)
What corrosion? I don't think the rustworms really live in California.
Fast track cleaning after each ride
Definitely! Thanks for watching please consider subscribing!
does a worn chain and rings slow your bike down much?
Hello Jim it won’t slow you down much. But on one end of the spectrum the shifting will be sloppy and on the other end of the spectrum it can be unsafe even dangerous if you get out of the saddle and sprint and the chain falls off the chainring - yes that does happen!!
Not only that but look at a new one - Shimano doesn't use the same grind on the smallest chain ring as on the biggest. It's because the small one never gets shifted up to, just down to, and it always has gravity assist (so there is usually a smooth surface) the Big Ring has no gravity assist so it gets the full HG treatment. Somewhere there must be an appropriate engineering text on this. Those chain gaps will occur - slack the chain tension and lift it up and see if it flows with your finger. It won't flow, it will kink because of corrosion, which affects some kinds of chains worse than others. ⛑
Great points! Thanks for watching
Hi Gorge, why are some rear derailleur pulleys directional?
That's a great question that I don't have a specific answer for.... hmm... let me ask around.
@@SeeYouUpTheRoad yes i would like to know why.
Surely just lubing the chain will allow the chain to sit further down on the cogs?
Honestly I don't see any reason for replacing these parts until you start missing some teeth
😂
These components (chainrings, chain and pulleys) are excessively worn! There is no question whatsoever that these components need to be replaced. There is no grey area on this particular example.
Thanks for watching please consider subscribing
@@SeeYouUpTheRoad Ok but what impact do "excessively worn" components have when riding the bike? If the chain doesn't slip I can't see any performance or safety improvement to be had here. Just wasted money
@@petermarshall8750 that’s the point Peter the chain was slipping. The customer came in thinking she needed a derailleur adjustment. She’s not that strong of a rider but just by me starting off from a stop the chain was falling off the chainrings. THAT is a safety issue. I’ve seen it when people ride worn out chainrings and/or chain and then do a surge or a sprint in a pack and nearly cause a crash for the rest of the group.
I don’t understand people like you. You argue with an experienced mechanic and shop owner who is liable for the safety of the customers who bring their bike into my shop. I tell you these components are excessively wrong and you argue with me.
When things are worn they get replaced it’s not wasted money it’s what you do.
@@petermarshall8750 FYI - there is no point in cleaning or lubing a completely worn out chain. You mentioned on a couple of occasions that lubing the chain will make it fit better on the chainrings. The chain is so worn and the chainrings are so worn that lubing the chain wouldn’t fix anything.
We are at an en passe - you are frugal and don’t want to replace components that need to be replaced. I, on the other hand, am responsible for providing exceptional care and consider the safety of my customers especially my inexperienced riders. When riders have worn items replaced on their drivetrains they notice the crispness of shifting performance returns. Happy and safe customers make loyal clients in the long run. It’s just what you do when you run a good business.
If she doesn't want to spend the money to keep the bike in good working order then she should just give up riding until she can face the facts. You can't just replace the chain at this point.
Hello Charles some people just ride their equipment into the ground. They are shock to learn that things wear out that things need to be lined and cleaned often. They just ride ride ride. They are not performance driven they are recreational riders. Then when they come in to a shop the mechanic’s responsibility and the shop owner’s liability is to inform the rider on all the items that need replacing and return to them a solidly performing bike. Unfortunately, a recreational rider’s budget and a properly serviced bike don’t usually mesh 😢