microSHIFT ADVENT MX PRO REAR DERAILLEUR 10/11 SPEED stem mount 105 BB-5500 68x109

105 BB-5500 68x109

And with CAGE LOCK technology

and a maximum of puncture protection

Knurled low rise tread designed for less rolling resistance

9 eye-catching modes

microSHIFT ADVENT MX PRO REAR DERAILLEUR 10/11 SPEED stem mount 105 BB-5500 68x109The goal of Advent MX was to create a group that would stand up to the hardest 10% of riders, and our engineers delivered. The MX Pro rear derailleur features our most robust linkage ever, with a beefy horizontal parallelogram, IGUS bushings at the pivots, and 33% stronger clutch force. What does that mean? Go ahead and huck to flat. With other creature comforts like sealed bearing pulleys and a fully replaceable cage assembly, this derailleur