Removing Chain Guide Producing Extra Wear

Postby Geordie on Sun 9/Oct/16 7:53pm

Hi.
I have a yeti sb66c and I got sick of pulling the mud out of the carbon fancy chainguide. So I removed it. Only lost the chain once on a visit to Rotorua. However, looks to me like my front chainring is now wearing down on the outside face at a dramatic pace. Does the chain guide / retention device actually help to hold the chain straighter on the chainring when it is on the largest sprocket at the back and so reduce the angle at the chain ring? The wear seems to only be on the outside of the ring.
Geordie
Member for: 8 years 11 months

Re: Removing Chain Guide Producing Extra Wear

Postby Astoria Paranoia on Sun 9/Oct/16 8:12pm

If it was set up properly the chain would have cleared the guide even at the extremes.
You would've noticed the rubbing of the chain against the guide.
Astoria Paranoia
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Member for: 15 years 3 months

Re: Removing Chain Guide Producing Extra Wear

Postby Geordie on Mon 10/Oct/16 5:23pm

Good point. However, I was looking for a new chain ring and came across a couple of chain guide manufacturers that were claiming their products extend chain life. Why?
Geordie
Member for: 8 years 11 months

Re: Removing Chain Guide Producing Extra Wear

Postby Wobbler on Mon 10/Oct/16 5:30pm

Because marketting
Wobbler
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Re: Removing Chain Guide Producing Extra Wear

Postby shmoodiver on Mon 10/Oct/16 7:32pm

They extend the useable life.
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"There he goes. One of God's own prototypes. A high-powered mutant of some kind never even considered for mass production. Too weird to live, and too rare to die."
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Re: Removing Chain Guide Producing Extra Wear

Postby el_booto on Mon 10/Oct/16 7:50pm

Astoria Paranoia wrote:If it was set up properly the chain would have cleared the guide even at the extremes.
You would've noticed the rubbing of the chain against the guide.



this
if you're noticing wear on one side but not the other, you probably need to move your chainring inboard a bit.
double or triple crankset?
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Re: Removing Chain Guide Producing Extra Wear

Postby AgrAde on Mon 10/Oct/16 9:11pm

shmoodiver wrote:They extend the useable life.


This is it.

Brand new chains even stay on shimano's shit "we don't need narrow-wide" chainrings for a while. Worn out chains will drop far more often. With a chainguide you can run the drivetrain until it eats itself, if you can put up with ghost shifting.

I'd say you need to space the chainring inboard. I've got a Shimano double crankset and found that 5mm of spacers worked best.
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Member for: 13 years 11 months

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