ST-R8170, Ultegra, Wireless Position:Rear Finished with the new GX

Finished with the new GX Eagle signature colorway – to compliment any cassette and chain colorway a rider wants from the Eagle Colorsystem

the sole allows natural foot movement and comfortable walking on mixed terrain

126 links + missing link

including Torpedo Versa Systems

with Morpho Cage A-M

ST-R8170, Ultegra, Wireless Position:Rear Finished with the new GXShimano's new ULTEGRA ST R8170 brake levers bring enhanced modulation and control to every ride by employing Shimano's proven SERVO WAVE technology. The all new Di2 platform, used on both DURA ACE and ULTEGRA, untethers the shifters while delivering our fastest, most reliable wireless shifting. Your time on the bike is precious, let Shimano make it even better. BENEFIT Clean Cockpit: Wireless connection enhances the aerodynamic effect and easy