Bicycle Chain Wear Indicator 67171 Black Friday The SeeMee 200 uses a

The SeeMee 200 uses a COB LED light source

Soft Washing

1-Step is recommended for cyclists who take a minimalist approach to drivetrain maintenance

Successor model of B03S

Water Soluble formula for easy cleaning

Bicycle Chain Wear Indicator 67171 Black Friday The SeeMee 200 uses aThe Unior Bicycle Chain Wear Indication 67171 is a useful, compact tool to check your chain. It is made from precision, laser cut steel. This little tool will save your bike parts as riding with a worn chain is going to wear out other parts on your bike. This is a must have tool for all cyclists. How to use the tool A worn chain shifts poorly and causes undue damage to the sprockets. The tool is a "go, no go" gauge designed to accurately indicate when