Magene QED Chainring BPW the Centaur rear derailleur is

the Centaur rear derailleur is the top component in its class - and all at 15 grams lighter than its competitors

the RT-CL900 is engineered to maintain confident braking under extreme conditions while remaining incredibly lightweight

built from anodised aluminium with resin pistons for a lightweight

Hubs QRM Auto bearing preload technology

Valve connection: Direct

Magene QED Chainring BPW the Centaur rear derailleur isQED Lightweight Split ChainringAdvanced Level Witness Every Transmission of Spirit and StrengthExquisite Balance of Stiffness, Weight and AerodynamicThe QED split chainring features a hollow design, which can greatly reduce the overall weight. This method of reducing weight, wont affect the integrated stiffness of the chainring, and you will see the exquisite balance between stiffness and weight. Precise Synergy of All PartsAdopting CNC technology