Shimano RD-R9250 DURA-ACE 12Speed Rear Derailleur

Our fastest ever shifting across SHIMANO's widest ever DURA-ACE gear range, the RD-R9250 is capable of both race wins and personal bests. The DURA-ACE RD-R9250 integrates the system charging port and a wireless connectivity unit all while delivering super fast, precise shifting worth of any podium. A single cage length that is compatible with 28-34T low sprockets brings new versatility to the world's best road component group. FEATURES - Our fastest ever rear shifting, 58% faster than RD-R9150 - Compact design includes an integrated wireless unit, charger, and switch - LED status indicator Battery indicator Pairing Adjust mode, etc. - Wider range capacity Max. low sprocket: 34T - CFRP rear derailleur plate PRODUCT SPECIFICATIONS - MODEL NO RD-R9250 - SERIES DURA-ACE R9200 Series - Color Series color - Average weight 215 - Remarks w/o Bracket spec. available - Firmware update by E-TUBE PROJECT ✔ - Total capacity 37T - Charging port (pcs) 1 - B-axle_Hollow axle ✔ - B-axle 2_Hollow axl