Cassettes (Rear Sprockets)

SRAM Red AXS XPLR E1 Rear Derailleur Gravel throws just about everything at your bike, and the SRAM Red AXS XPLR E1 Rear Derailleur will happily take it all. Bring on the sticks, stones, and airport baggage abuse because the Full Mount derailleur design fits onto frames with the hangerless interface, making for the most robust and reliable gravel drivetrain possible. No adjustment screws mean setup is simpler than ever. A surprise stick is no match for the Magic Wheel, as the debris-resistant lower pulley keeps the chain moving at all times. Purpose-built for gravel, this 1x specific unit prioritises shift precision and chain management, regardless of terrain or conditions.

SRAM Red eTap AXS E1 Rear Derailleur The core of the AXS ecosystem, the new SRAM Red eTap AXS E1 Rear Derailleur is lighter, more efficient, and more capable than ever before. Covering cassette ranges from 10-28T up to 10-36T, this wireless marvel features larger pulleys to reduce chain articulation and increase efficiency, along with an Orbit fluid damper to maintain stability over rough terrain. One derailleur is ready for 1x or 2x, on-road or off-road.

SRAM RED eTap AXS Rear Derailleur Max 36T (Battery Not Included) The 12-speed SRAM RED eTap AXS Rear Derailleur Max 36T (Battery Not Included) combines all the performance features of the standard SRAM RED AXS rear derailleurs with a super wide 36 tooth maximum capacity to help you tackle the steepest gradients with ease.  Orbit chain management keeps your chain secure and the chainline as efficient as possible even when using the largest gears in your cassette.  This model is compatible with standard AXS batteries, available to be purchased separately

Campagnolo Super Record EPS Wireless Rear Derailleur Crafting a moment of perfection is a process that demands time and precision. Campagnolo's unwavering dedication to extensive research and meticulous real-world testing underscores the innovation of this wireless groupset. With an unwavering commitment to quality, the design is streamlined and uncompromising, meeting the needs of those who seek top-tier performance. Developed in collaboration with athletes and engineers from the AG2R Citroen Team, this groupset embodies Campagnolo's 'Dream Bigger' ethos - a celebration of ingenuity and standing out. Engineered with the utmost attention to detail, it combines high-spec carbon fiber, titanium, …