microSHIFT ADVENT X Rear Derailleur - 10-Speed, Medium Cage, Black, With Clutch Road Pedals Integrated air intake and exhaust

Integrated air intake and exhaust system keeps feet dry and fresh

shock absorption

Fully adjustable ventilation and removable ear pads ensure user comfort

moves with your body and holds the shorts snug to the hips while lying comfortably against the skin

microSHIFT ADVENT X Rear Derailleur - 10-Speed, Medium Cage, Black, With Clutch Road Pedals Integrated air intake and exhaustmicroSHIFT ADVENT X Rear Derailleur 10 Speed, Medium Cage, Black, With Clutch With a raceworthy weight and the right gearing for any situation, microSHIFT's top of the line ADVENT X rear derailleur delivers high end performance without high end headaches. By using a 10 speed chain and wide range 11 48t cassette with predictable, evenly spaced gear steps, ADVENT X allows you to find the right gear even in challenging conditions. Add in microSHIFT's