Product Condition The Ultegra RD-RX800 Rear Derailleur is in Good condition Derailleur is in good condition Was previously owned for approximately 2 weeks Derailleur has a very small scratch Does not appear to have been installed or used Sold as-is All warranties void Size Unisex LongColor GrayRetail Cost 11799Outfit your all-road or CX bike with Shimanos Ultegra RD-RX800 Rear Derailleur and enjoy increased chain tension thanks to its mountain bike technology offering better chain management and less noise over rougher roads and gravel Just like were accustomed to on its mountain rear derailleurs a flip of the lever engages and disengages the clutch When in the on position the clutch increases the spring force to provide crisp shifting and zero chain slap and is easily flipped off for wheel changes This is Shimanos first rear derailleur featuring a clutch for drop bar bikes and since it works with both 1x and 2x setups we feel its a must-have for gravel and cross bikesFollowing in the footsteps of the revamped Dura-Ace and Ultegra groups this RX derailleur gets its Shadow cage treatment placing it closer to the frame and under the cassette keeping it out of harms way and less likely to take the brunt of a driveside crash This also allows the derailleur to move in a much more linear path allowing for shorter throws with less effort It comes in one cage length long which accommodates an 11-34t cassette allowing for a wide range gear ratio when paired with a double without the usual huge jumps between the cogs like on a 1x setupSitting under the Ultegra umbrella means it gets the usual materials and finishes that we expect from a groupset thats just one step from the top Its weight smoothness and durability make it more than capable of racing against the competition on course or the sun to your campsite for the night on a bikepacking tripUltegra RD-RX800 Rear Derailleur DWGAKZ6