Shimano EW90-A Di2 Cockpit Junction Box 3-Port/ not for Flight Deck MFPN=HBMHN Model Racer M Brompton Wheel

Model Racer M Brompton Wheel Front Reach 47-57mm Color Pewter Weight 194g

Absolute must-haves in the Guru Line are Extreme Hallgeir

model SB20 diameter 31

but protrusion through rim is the same as a 12mm DT nipple)

The ultra-reliable freehub system transfers the highest pedaling loads resulting in direct power transmission

Shimano EW90-A Di2 Cockpit Junction Box 3-Port/ not for Flight Deck MFPN=HBMHN Model Racer M Brompton WheelShimano Di2 Junction BoxAll 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