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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
The boost hub comes with large oversized flange for improved bracing angle
24 mm internal width aluminum rim with 2-Way Fit™ technology for clincher or tubeless set ups
The Hydromatic collection of outerwear incorporates key features to battle tough riding conditions with a lightweight
12 - 16 cm (M/L)
and high-performance innovation for core road cyclists
Shimano EW-JC304 Di2 Junction Box Color:Black The boost hub comes withShimano EW JC304 Di2 Junction Box Shimano Di2 Frame Junction Box Connects via SD 300 E tube wires to four different points: front derailleur, rear derailleur, cockpit junction box and battery mount All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions Use Di2 system checker to update component firmware Number of Ports: 4