Shimano SM-JC40 Di2 External Frame Junction Box 4-Port ModelNumber=E3250 controlled

controlled

15mm offset

}RockShox Reverb AXS XPLR Dropper Seatpost - 27

Features: Stiffness: 38 mm Shaft weight: 85 gr/m Strength: >75 kp Total weight 155 cm pole: 199 grams

Breathable fabric to keep hands cool and comfortable

Shimano SM-JC40 Di2 External Frame Junction Box 4-Port ModelNumber=E3250 controlledShimano 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