Free Shipping on orders of $50 and up except bikes.
All credit cards processed through Paypal.
SHIMANO ULTEGRA RX - DI2 Rear Derailleur - SHIMANO SHADOW RD+ - 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.