NEW Shimano SM-JC40 Di2 External Frame Junction Box 4-Port price_changed_on_2022-09-22 With the fast and accurate

With the fast and accurate Di2 shifting technology

Tires: Teravail Washburn 700c x 50mm

C3 Dry Ceramic Chain Lube maximizes your power output by reducing metal to metal contact to a low level and provides up to 10 times the performance of conventional chain oils and lubes

open shell

TIRES: Chaoyang E-Liner City 700x45C

NEW Shimano SM-JC40 Di2 External Frame Junction Box 4-Port price_changed_on_2022-09-22 With the fast and accurateShimano Di2 Frame Junction Box Frame 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 Mounts underneath the bottom bracket