Galinis pavarų perjungėjas Shimano ULTEGRA Di2 RD-RX805 11-speed

With an integrated chain stabilizer mechanism, the ULTEGRA RX derailleur provides a quieter experience and shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features and ON/OFF switch for the chain tensioner. The RD-RX805 DI2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting. Chain Stabilizer mechanism adopted from MTB design ON/OFF switch Compatible with current road DUAL CONTROL LEVER Weight: 280 11TPulley 11T E-tube port (pcs): 1 Firmware update by E-TUBE Project Fluoric coated 4 link bushings Maximum smallest sprocket: 34T Minimum smallest sprocket: 28T Maximum front difference: 16T Pulley cage: GS Rear speeds 11 Sealed pulley bearing Top-Normal Spring Type SHADOW RD+ Maximum biggest sprocket: 11T Minimum biggest sprocket: 11T Total capacity: 39T