Among other things, the shift speed can be set, a fully or semi-synchronous shift mode can be selected and the programme buttons on the gear lever can be assigned specific functions. Our exclusive wireless protocol increases shifting speed without sacrificing any of the shifting precision and reliability SHIMANO is known for. Frontal area of attack of the front derailleur reduced by 33%. Fastest gear changes front and rear. Group: Dura Ace Di2 R9250.
Compatible chain: CN-M9100 HG 12-speed. Firmware update by E-tube Project: Yes.
1pcs Shimano DURA ACE Di2 RD-R9250 12-speed Front Derailleur. Note:100% authentic, no original box. Tariffs are not included in the cost of goods.
For products higher than 135? , buyers need to pay tariffs themselves.