Schimbator spate bicicleta Shimano DURA-ACE 12 viteze
Shimano DURA ACE Di2 RD-R9250 12-speed Rear Derailleur
The Shimano Dura Ace RD-R9250 12-speed rear derailleur combines charging port and wireless system in one compact unit to provide a lightning-fast and precise shifting performance that is ready to win. With just one cage length, the rear derailleur shifts on cassettes from 11-28T to 11-34T, further enhancing the versatility of the world's best road bike component group.
THE SCIENCE OF SPEED: Shimano Dura Ace Di2 12-speed Rear Derailleur RD-R9250
Shimano has been working for years to provide you with an advantage of seconds. The new 12-speed DURA-ACE R9200 is the fastest groupset ever and the pinnacle of SHIMANO technology and innovation. Speed was the key driver for the development of this new generation road groupset. That's why every component has been revised, refined and optimised to make you even faster - whether to leave the peloton behind you or to win the final sprint on the Champs-Élysées.
Features - Shimano DURA ACE Di2 RD-R9250 12-speed Shadow Rear Derailleur
FULLY CUSTOMISABLE
The drive can be adapted to the rider's preferences via the E-TUBE app
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
WHEN EVERY SECOND COUNTS
Our exclusive wireless protocol increases shifting speed without sacrificing any of the shifting precision and reliability SHIMANO is known for
Fast, jerk-free shifting for responsive acceleration at any speed
Low profile rear derailleur design
SHIMANO SHADOW RD
Race endurance for less damage in crush
Maintains compact and smooth appearance
Product features
Use: Road
Group: Dura Ace Di2 R9250
Model: RD-R9250
Mount type: Direct Mount
Gear rear: 12-speed
Compatible chain: CN-M9100 HG 12-speed
Max. teeth large sprocket: 34T
Min. teeth large sprocket: 28T
Max. teeth small sprocket: 11T
Min. teeth small sprocket: 11T
Max. front difference: 16T
Total capacity: 35T
Compatible electric wire: EW-SD300
Firmware update by E-tube Project: Yes
E-tube port (pcs): 1
E-tube connector (pcs): 0
Di2 Wireless-Chip: Yes