Super Record EPS 12 speed rear derailleur High torque motor provides fast and crisp shifting even under the highest loads Increased chain wrap improves shifting performance and reduces drivetrain wear Derailleur trajectory optimized for use with 11-29 and 11-32 cassettes 12 teeth ceramic pulleys reduce friction UnLock System allows to manually position the derailleur in case of system failure or if the battery runs out IP67 waterproof rating ensure consistent performance in all conditions Weight: 234g Attributes Cage Medium Max Front Difference 16T Maximum Cog 32T Minimum Cog 11T Primary Color Carbon RD Capacity 37T RD Spring Type EPS RD Weight 234g Speed 12
