Unior 1643/4 Chain Wear Indicator

The Unior 1643/4 Chain Wear Indicator is an essential tool for any cyclist who wants to keep their bike in top condition. Made from high-quality stainless steel, this tool is designed to accurately measure the wear of your bike's chain.Using the Unior 1643/4 Chain Wear Indicator is easy. Simply place the rolling head of the checker in the starting position, in position 0, and insert the measuring joints between the chain links. With a slight turn of the rolling head, you can check the chain stretch. On the measuring scale of the rolling head, you can read the stretch - the wear of the chain, in the range from 0 to 1.2 mm.The checker is designed to measure the length of 10 links, and you can repeat the operation in different fragments of the chain. Manufacturers recommend changing the chain when stretching or wear exceeds 0.5 or 0.6mm in a 10-link length.The Unior 1643/4 Chain Wear Indicator has a length of 137mm, a rolling head diameter of 25.5mm, a thickness of 20mm, and a weight of 1