Shimano EW-JC304 Di2 Junction Box - 4 Ports Use With EW-SD300 MFPN=WPR1400AAQXKA07121 Precision bored fully concentric bearing

Precision bored fully concentric bearing seats for a smoother spin and prolonged bearing life

Misc Bearing 67

}Easton EA70 Stem - 60mm 31

MT series bar clamps do not include bolts

Shimano EW-JC304 Di2 Junction Box - 4 Ports Use With EW-SD300 MFPN=WPR1400AAQXKA07121 Precision bored fully concentric bearingShimano 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