Galinis pavarų perjungėjas Shimano DURA-ACE Di2 RD-9070 11-speed

Precise, lightning-fast switching operations on the entire spectrum of a 11-speed cassette - and this in every situation and literally at the touch of a button: the SHIMANO DURA-ACE Di2 RD-9070 rear derailleur is more compact and lighter than its predecessor and has the E-tube connectors for an extremely simple installation. For the hopefully not occurring crash or other affecting forces, the RD-9070 is like the RD-7970 equipped with a crash mechanism, which disconnects the motor to avoid damage. Weight: 217g Direct attachment Pulley cage: SS (short) 11T Pulleys with sealed bearing Fluoric coated link bushings: 4 Low sprocket_Max.: 28T Low sprocket_Min.: 23T Max front difference: 16T Top sprocket_Max.: 14T Top sprocket_Min.: 11T Total capacity: 33T Material: Aluminium, Carbon pulley plate, titanium bolt Di2 - The advantages of Di2 (Digital Integrated Intelligence) are clear for everybody who has tested it: changing gears becomes easier, effortless and faster by simply touching the shift buttons. Control at the top of your fingers. Additional benefits include an automatic trimming front derailleur, unmatched precision plus super easy installation and adjustment. This allows automatic chain guide movement in response to the gear position of the rear derailleur. There is no more need for concentration on trimming when riding. Important: All Shimano Di2 electronic components require the same firmware version. In order to diagnose, read or update firmware, optional device is needed. Operating components with different firmware version may cause malfunction or loss of function.