SHIMANO DURA-ACE Rear DERAIL RD-R9250 DI2 12-Speed Direct Attach Black SKU: 1BID-1DL5-BUCQ

The DURA-ACE RD-R9250 integrates the system s charging port and a wireless connectivity unit, all while delivering super-fast and accurate shifting value of any podium. A single cage length compatible with 28-34T low sprockets brings new versatility to the world s best group of road components.