Bike Forums - View Single Post - Ruler method of checking chain wear

05-01-15 | 11:28 AM

#13

Earl Grey

Full Member

Joined: May 2011

Posts: 374

Likes: 1

From: Midwest

Bikes: '10 Fuji Cross Comp, '12 Brompton S-Type, '14 All City Mr Pink

Quote:

Originally Posted by DiabloScott

Nope. Chain checkers are quick, rulers are more accurate. You're doing it right - use the chain checker for frequent checks - no need to use the ruler until you get multiple chain checker readings over 0.75%. Then you can use the ruler until you get 12-1/16" to get the max life out of your chain.

I'm confused, isn't .75% elongation (12.09") more than 12-1/16th (12.0625")?

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