As the component manufacturer Sram announced today, defects were found during the production of the hydraulic rim brakes. The models affected are the Red-22 and S-700, which have the serial numbers 36T30993767 to 42T39407156. The total number of brakes ordered back is 3.553.
The serial number can be read either on the brake cylinder or on the packaging. Sram endeavors to rectify the defects as quickly as possible.