Shimano EW90-B Di2 Cockpit Junction Box 5-Port/ not for Flight Deck MFPN=17057 With a maximum output of

With a maximum output of 40 lumens

Adjustable width and angle to fit all mountain bikes (not including e-bikes)

} Multi-component Kraftform handle for fast and low-fatigue working

Campy derailleurs work best with cassettes up to 11-36

Some single clamp grips suffer from additional twisting

Shimano EW90-B Di2 Cockpit Junction Box 5-Port/ not for Flight Deck MFPN=17057 With a maximum output ofShimano 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