Park Tools Chain Wear indicator

Advantages: Cheap, Sturdy, Easy to Use
Disadvantages: None

The Company Park Tools are an American company manufacturing bike tools for the home and professional mechanic. They claim to be the largest bike tool manufacturer in the world. From personal experience I have found that while Park Tools are more expensive, they tend to be of higher quality than their competitors. Despite being an American company, most of their tools are actually manufactured in the far east. Why would you want a Chain ...
...suck. What about the Park Tool Chain Checker? The tool is simple to use. Position the concave semi-circular end around the roller, and then let the tool drop onto the chain. If the tab on the other end slots inside the roller, then the chain is worn to the limit marked on the tool. The Park tools chain checker allows you to check for both 1.0% and 0.75% wear. The 0.75% marking allows you to plan chain/sprocket/chainring replacement. Quality ... Read review