Shimano SM-JC40 Di2 External Frame Junction Box 4-Port MFPN=F740-GKSK-CR-D2 Lyrik’s wider crown boosts stiffness

Lyrik’s wider crown boosts stiffness for improved steering and climbing efficiency while post-forging machining inside and out adds precision without adding weight—keeping riders confident up and down

95 ISO 507 Bead Wire Tread/Sidewall Color Bk/Bsk PSI 65 Weight (Grams) 570 TPI 60 Durometer Features SC Reflective Sidewall No

GX Eagle T-Type derailleur features things like removable skid plates for better protection and serviceability

}SRAM X01 Eagle Rear Derailleur B-Bolt and Limit Screw Kit

and when high air humidity

Shimano SM-JC40 Di2 External Frame Junction Box 4-Port MFPN=F740-GKSK-CR-D2 Lyrik’s wider crown boosts stiffnessShimano 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