At home or on the road – Connex makes practical tools for bike chains to make life easier and more enjoyable. The Connex chain wear indicator allows you to reliably determine the condition of your bike chain; the bio-friendly  Connex CKS lube provides optimal care and thereby maximizes the chain's service life. And, in case of emergency: Defective chain links can be replaced in a jiffy with the Connex Chain Tool – simply practical!