Shimano EW-JC200 Junction (2 port) E-Tube Wire Connector CheckoutTitle=Shimano Deore FH-QC400-HM Rear Hub - QR x 141mm while the manual version offers

while the manual version offers 3 ride modes

reliability

37 BB/Frame Interface English BB Shell Width (mm) 68 Spindle Interface Type SRAM DUB Defined Color Black

Compatible with both metal and resin brake pads

Shimano EW-JC200 Junction (2 port) E-Tube Wire Connector CheckoutTitle=Shimano Deore FH-QC400-HM Rear Hub - QR x 141mm while the manual version offersShimano 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 tubeproject. shimano. com