Our chain adjuster offers quick wheel adjustment and chain adjustment for LC bikes. Normally, the stock chain adjusters provide limited adjustment range and are often hard to read.Chain adjuster block comes with a wide range of adjustment and clear markings for precise and hassle-free adjustment. It holds the wheel precisely in place while tightening the chain. This can help to prolong the chain and sprocket service life. The block is mounted to the standard swing arm. The unit looks unique, accurate, lighter and stronger.