Campagnolo Record 10-Speed Road Bicycle Rear Derailleur Cage Lengths: SS-shortCapacity: 27TChain Wrap Capacity: 27teethDerailleur Action: Top-Normal (Traditional)Derailleur Color: blackDerailleur Color: carbon/silverDrivetrain Spacing: Campagnolo 10Largest Cog: 26teethMin/Max: 11/26TShifter/Rear Derailleur : CampagnoloSpeeds: 10spWeight: 184g