Orbit chain management technology keeps the drivetrain quiet and secureAXS enabled for easy setup, personalization, and reliabilityCompatible with cassettes from 10-28T to 10-36TLarger X-SYNC pulleys for increased efficiencyCompatible with both 1x and 2x drivetrainsCompatible with existing AXS batteries16g lighter than previous generationRed AXS E112sp36MidBLK262gAXSUPC/EAN/GTIN: 710845899812