Shimano RD-9250 Rear Derailleur Dura Ace Di2 12 Speed

Wireless Shifting Improving on the most important characteristics of a derailleur, Shimano presents their fastest, most precise shifting to date. Integrating all the trappings of Shimano’s wireless ecosystem, this product boasts wireless connectivity, a charging port and an LED status indicator. For those looking to take their riding to the next level, this Shimano Dura-Ace RD-R9250 Di2 12sp Rear Derailleur is a must-have.

• Shimano’s 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

• Min. low sprocket: 28T • CFRP rear derailleur plate • Series: Dura-Ace R9200