Shimano SM-JC41 Di2 Internal Frame Junction Box 4-Port CheckoutTitle=Muc-Off V2 Tubeless Valve Kit - Turquoise } Balances the padded comfort

} Balances the padded comfort required by trail riders with the sleek profile desired by aggressive riders and racers

Pro-Rugged 2 Extended Knee Guards are ready to protect young riders from whatever the mountain can bring

side panels that expand out into panniers

8Clamp Style Standard RailsOffset (mm) 0Color BlackMin Height 164

Shimano SM-JC41 Di2 Internal Frame Junction Box 4-Port CheckoutTitle=Muc-Off V2 Tubeless Valve Kit - Turquoise } Balances the padded comfortShimano SM JC41 Di2 Internal Frame Junction Box 4 Port. Shimano 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