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******Our warehouses are located in USA and Hong Kong and China, all other countries (except USA) will be shipped from our Hong Kong or China warehouse. ******

 
RD-RX800
 

SHIMANO ULTEGRA RX - 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.