Turbo Wing System w/XENON Cages Open Water the new 12-speed ULTEGRA R8150

the new 12-speed ULTEGRA R8150 rear derailleur is more versatile than ever thanks to a single cage length option that is compatible with 28-34T low sprockets

and physiology fields

Ultegra/105 level Hollowtech II bottom bracket

without pads

hex traction pins - 9 per side (mounted from back)

Turbo Wing System w/XENON Cages Open Water the new 12-speed ULTEGRA R8150Slim, aluminum carrier with vast adjustability ensuring the ideal position. The TURBO WING is designed to fit the widest assortment of saddles of any of our dual rear hydration systems. It is also our most adjustable systems with 3 carrier positions and 5 different cage angles. Available in three versions. TURBO WING only so you can use your own cages, or choose the TURBO WING SYSTEM complete dual rear hydration solution! Available with your choice of