Shimano SM-JC40 Di2 External Frame Junction Box 4-Port CheckoutTitle=Enduro Italian Bottom Bracket for DUB Spindles Springs feature the progressiveness and

Springs feature the progressiveness and ramp-up that hard-charging riders demand

Front wheel features a wider inner rim width to support a wider tire profile in front increased volume and contact patch and rounds the tire profile to enhance turning

Defined Color Black Mfg Size 56 Rear Axle QR x 135mm Wheel Size 700c Frame Material Steel Frame Type Rigid Color Black Platform Straggler Front Axle QR x 100mm Brake Type Disc TT (Effective) 580 Fork Material Steel Fork Type Rigid

Brake Lever Actuation Short Pull Color Carbon Cable Head Type Road Weight 120

}Pirelli Cinturato Velo TLR Tire - 700 x 32 Tubeless Folding Black

Shimano SM-JC40 Di2 External Frame Junction Box 4-Port CheckoutTitle=Enduro Italian Bottom Bracket for DUB Spindles Springs feature the progressiveness andShimano SM JC40 Di2 External 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