Sylvain C.
Mechanical expert
The Shimano Dura Ace RD-R9250 front derailleur retains the features that have made the brand so successful, namely precise indexing with synchro shift technology and powerful action that allows the chain to move up or down in all situations. The 9250 model is much slimmer than the 9150 version, with a significantly reduced weight of less than 100 grams. It is compatible with double chainrings and 12-speed drivetrains. It is powered by the battery from the new BT-DN300 12-speed groupset. This derailleur operates wirelessly with a 9270 hydraulic drivetrain, requiring an EW-SD300 connector from the ST 9250 levers for operation.
96g
Presentation and test of the new Shimano 12-speed groupset on velotech.fr: New Shimano 12-speed road groupset: R9200 and R8100.
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Votre avis compte pour nous
Based on 6 reviews
Everything works very well speed efficiency (Translated review)
Fast and precise. (Translated review)
No surprise with Shimano quality. (Translated review)
Perfect in terms of speed and precision of the Dura Ace! (Translated review)
High-end Shimano very easy to install wireless transmission system top (Translated review)
The shift from the large chainring to the small one is done quickly and precisely. It is really smaller than the old one... beautiful success. (Translated review)
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