Shimano EW-JC302 Di2 Junction Box - 2 Ports Use With EW-SD300 Model=Hawk V2 BMX Crank 5" rims Whisky 50w or

5" rims Whisky 50w or 80w

5" 15 x 100mm 6-Bolt Black

Brake Caliper Type Flat Mount Weight 19

8 Clamp Style Bottom Bracket Stand Style Folding

}Topeak Mini Dual Mini Pump - 140psi Silver/Black

Shimano EW-JC302 Di2 Junction Box - 2 Ports Use With EW-SD300 Model=Hawk V2 BMX Crank 5" rims Whisky 50w orShimano EW JC302 Di2 Junction Box 2 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