The new Super Record Wireless front derailleur introduces shifting with Bluetooth technology, with easy instant communication between front derailleur and controlsCarbon powder technopolymer construction allows for the lowest weight while maintaining high stiffness and responseIntegrated position sensor automatically aligns the derailleur in the ideal position for the selected sprocketMeets the highest international waterproof standards with a rating of IP69K Fast and easy charging with quick-snap magnetic charging portsFluid, efficient and precise shifting in all pedalling conditions *Battery not included*FD23-SR12WRL12sBraze onCRBN160gUPC/EAN/GTIN: 8053340459450