Dura-Ace R9250 Di2 Rear Derailleur Onix Sizing & Fit

Sizing & Fit

making it our fastest and most advanced racing goggles ever

6% over SILCA SecretBlend hot melt

Included in the box :

Vintage-inspired design with a special grip frame that stays put no matter how hard you sway at that indie show

Dura-Ace R9250 Di2 Rear Derailleur Onix Sizing & FitThe 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 Ultra fast rear Di2 shifting Compact design includes an integrated wireless unit, charger, switch Wider range capacity Max. low sprocket: 34t CFRP rear