Derailleurs

Sharpen up the gear changes on your bike with a bike derailleur transmission system, which shifts the chain from one sprocket to another seamlessly.

If you are looking at replacing or upgrading a mountain bike derailleur, Chain Reaction have a huge selection of bicycle derailleurs to choose from. For any cyclist, the crisp shift of a gear heightens the enjoyment of cycling, which is why we source the latest and greatest bike derailleurs for our customers to choose from.

North Shore Billet, Pilo Engineering, Vitus, and Campagnolo are a taster of the big names in the front and rear derailleurs available.