We love bikes, and we love that other people love bikes too.  
Whether buying them or riding them, it’s bikes that unites us with the people using Chain Reaction.

An innovator and trailblazer in online bike retail since 1998, Chain Reaction is dedicated to its values of enthusiasm, knowledge, and community.

From our offices in Belfast, Portsmouth, Edinburgh, the US, and an advanced distribution centre in Wolverhampton, we bring awesome bike stuff to over 70 countries every day.

In 2022, Chain Reaction joined the Signa Sports United group – a global player that includes many internationally established sports retailers.

Joining the ride at Chain Reaction means joining a global team dedicated to being great at what they do, all living their passion.