Bike Rear Derailleurs

A quality bike rear derailleur is key to smooth, reliable shifting on every ride. Whether you’re climbing steep hills or sprinting on the flats, the rear derailleur moves your chain across the cassette with precision so you can find the right gear quickly.

If you’re upgrading your drivetrain, it’s worth looking at bike cassettes for a wider gear range or bike chains to keep shifting crisp and efficient. Riders who take on mixed terrain might also consider bike chainsets for a complete setup that balances climbing power and speed on the flats.

We stock rear derailleurs from trusted brands known for performance and durability, with options for road, MTB and single-speed setups. From entry-level riders to seasoned racers, there’s a derailleur to suit every budget and riding style.

All products are designed for easy installation and long-lasting performance, so you can spend more time riding and less time in the workshop. Browse the full range today and take your gear shifting to the next level. Free UK delivery is available on all orders over £20.