with optional running boards and a rear seat with rails
and real-world riding of prototypes
Tube Width 23-32C Valve 60mm
If you are looking for the best pulleys to fit the previous generation Ultegra (6800)
Responsive Tektro HD-T280 hydraulic disc brakes
Shimano, Dura Ace, Di2 Brake Shift, 12 Speed, ST-R9270, Left, Right or Pair Style:Pair L&R with optional running boards andAll new lever ergonomics on the DURA ACE ST R9270 dual control levers bring new levels comfort and control to road cycling. With our fastest wireless shifting available and even more precise brake modulation, DURA ACE redefines performance. Now featuring SERVO WAVE ACTION brake technology, the new DURA ACE ST R9270 brake lever delivers modulation and control like never before. Wireless shifting keeps your bike looking clean while offering our fastest,