Get the most out of your chain but not at the expense of your sprockets and chainrings. A chain wear gauge will tell you when you need to renew the chain. We offer two types, the more sophisticated being the Park Tools version, whilst the VAR chain checker is a simple go/no go gauge, that is a lot cheaper.

Unsure of what to do when working on your bike? This book will offer guidance on what to do and what to use.