How long is a rope? Learn to measure a chain and toss it when there is 1/16" elongation in a foot of chain. Sheldon Brown at www.harriscyclery.com has the drill.
How long is a rope? Learn to measure a chain and toss it when there is 1/16" elongation in a foot of chain. Sheldon Brown at www.harriscyclery.com has the drill.
FWIW I was too lazy to check mine and replaced it after 2000 miles... ooops looks like now I need a new cassette because it was worn long before I replaced it and new my cassette is hosed .
FWIW I was too lazy to check mine and replaced it after 2000 miles... ooops looks like now I need a new cassette because it was worn long before I replaced it and new my cassette is hosed .
Park Tool - CC-3 Chain Checker: http://www.parktool.com/tools/CC_3.shtml
The CC-3 is a "Go, No-Go" gauge designed to accurately indicate when a chain reaches 0.75% and 1% wear.