Pay in 4 interest-free payments of $8.50 Learn more
Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
Graphite ripple powdercoat over steel construction
Includes a protective carry bag
Virtually invisible seam eliminates friction in the toebox
LevaTime II: Praxis unique timing and shifting technology
Shimano EW-JC304 Di2 Junction Box - 4 Ports Use With EW-SD300 Labeled Size-700 x 45 Graphite ripple powdercoat over steelShimano EW JC304 Di2 Junction Box 4 Ports Use With EW SD300. Shimano Di2 Frame Junction BoxFrame Junction Box connects via SD50 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 from http: e
