Shimano SM-JC41 Di2 Internal Frame Junction Box 4-Port Rear Der/Shifter Compatibility-BOX 8-Speed The High Road is a

The High Road is a road tire for elite racers and riders who demand the best equipment

8mm wall thickness on top and bottom bends for strength

which is also featured on Wolf Tooth Morse Bottle Cages

New pre-installed 11-speed cassette

Shimano SM-JC41 Di2 Internal Frame Junction Box 4-Port Rear Der/Shifter Compatibility-BOX 8-Speed The High Road is aShimano 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