Shimano SM-JC40 Di2 External Frame Junction Box 4-Port ModelNumber=E3250 Valve Length 60mm Valve Presta

Valve Length 60mm Valve Presta

15mm offset

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

- KLISTER for changing conditions

Shimano SM-JC40 Di2 External Frame Junction Box 4-Port ModelNumber=E3250 Valve Length 60mm Valve PrestaShimano 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