Shimano EW-JC304 Di2 Junction Box - 4 Ports Use With EW-SD300 MFPN=099849 Wide strong and light Brake

Wide strong and light Brake Compatibility Disc Only Rim Width (Internal) 25 Brake Track None Manufacturer Spec ERD (mm) 607 Valve Presta Color Black Weight 440 Wheel Size 29" Defined Color Black ISO Diameter 622 / Road / 29" Hub Drilling 32 Rim Material Alloy Tire Type Tubeless Ready Rim Center Offset (mm) 0 Hub Count 32H

Flat Protection Tread Color Black Defined Color Black ISO Width (mm) 101 ISO Diameter 559 / 26" MTN Tire Intended Use Winter-Studded Tire Diameter 26" Tire Bead Wire Labeled Size 26 x 4 Tire Type Clincher Studded False

and perfectionists

Model Brodium Spindle CrMo Size 9/16" Body Material Aluminum Color Black Weight 399g

Shimano EW-JC304 Di2 Junction Box - 4 Ports Use With EW-SD300 MFPN=099849 Wide strong and light BrakeShimano 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