Takavaihtaja Shimano DURA-ACE Di2 RD-R9250 SH 2x12-speed
Kuvaus - Takavaihtaja Shimano DURA-ACE Di2 RD-R9250 SH 2x12-speed
SHIMANO is probably one of the most famous and popular manufacturers of quality bicycle parts and accessories in the world. Parts from this manufacturer are more or less used in most of the bicycles Founded in 1921 in Japan, the company currently has perhaps the widest range of products for both amateurs and professionals. Every year, innovations are introduced that allow cyclists to shift gears more precisely, brake more efficiently or finish the track faster. Currently the company is expanding the offer of electronic gear shifting mechanisms and electric bicycle parts more and more. The range of products is not limited to bicycle parts, clothing for cyclists is offered as well.
Faster than ever before. The RD-R9250 model not only offers the fastest gear changes on the cassette to date and the largest gear ratio range of a Dura Ace rear derailleur, but can do much more. By integrating the Wireless system and charging port into one compact unit and thus covering a wide range of functions, it practically becomes the heart and brain of the entire Di2 assembly. The built-in transmitter ensures wireless co mmunication with the STI brake/shift levers ensuring podium-worthy, lightning-fast and precise shifting. Using Bluetooth and ANT+, it is also responsible for data transmission to the E-Tube Project and E-Tube Ride apps as well as to third-party devices. Besides the charging port, the Top Normal rear derailleur features a button for certain Di2 settings and an LED for status display informing you about battery level, pairing and setting mode, for example.
Product technical specifications
- Maximum teeth on the large sprocket: 34T
- Maximum teeth on the small sprocket: 11T
- Minimum teeth on the small sprocket: 11T
- Maximum teeth difference between biggest and middle chainrings: 16T
- Total capacity: 37T
- Shifting system: 12-speed
- Compatibility STI lever: ST-R9250, ST-R9270, ST-R9160, ST-R9180, ST-R8150, ST-R8170, ST-R8060
- Compatibility cassette: CS-R9200, CS-R8100
- Compatible chain: CN-M9100, CN-M8100, CN-M7100, CN-M6100
- Material: Aluminum, Carbon fiber reinforced polymer (CFRP)
- Weight: 215 g
TECHNOLOGIES
SHADOW RD The mechanism rear derailleur, SHIMANO SHADOW RD, is intended for more aggressive riding. Its super low profile design carries many benefits. Because of its low profile and single tension construction, the derailleur does not hit the chain stay in rough riding conditions. The result is smooth and silent performance.
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- Takavaihtaja Shimano DURA-ACE Di2 RD-R9250 SH 2x12-speed
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