NEW Shimano SM-JC41 Di2 Internal Frame Junction Box 4-Port variant-size-15-5 the motor gearbox disengages

the motor gearbox disengages

Shimano down tube outer cable housing stoppers lets riders convert their shift bosses to cable stops

Rotors: Shimano RT10 Center Lock

This Purist water bottle with MoFlo cap resists stains and tastes better

Derailleur Capacity: 22

NEW Shimano SM-JC41 Di2 Internal Frame Junction Box 4-Port variant-size-15-5 the motor gearbox disengagesShimano 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