This is the technology used in the rear derailleur, which allows very fast and efficient removal and installation of the rear wheel, as well as making it easier to change the chain.

Thanks to the use of Roller Bearing Clutch technology for the derailleur, bouncing and wobbling of both derailleur and chain is eliminated, with no loss of gearing precision. This ensures quiet operation and drive stability even in difficult terrain.

Lighter, stiffer and stronger crankset compatible with all major bottom bracket standards. Offers better sealing, without compromising to fit all frames.

SRAM's use of this technology has resulted in a durable chain that reduces friction between and runs quieter. The inner plates are smooth and without square edges. This design allows for a narrower overall profile and a flatter outer plate.

Silent and simple technology, the most trouble-free drivetrain that guarantees comfort on climbs and speed on the flat. In addition, it features durability and low weight.

PowerLock® is SRAM's exclusive, secure chain attachment system without the need for tools. Using these clips, the chain can be easily connected and disconnected in any situation.