Description
Shimano SM JC40 Di2 External Frame Junction Box 4 Port Model=WCS Carbon Rizer Handlebar Color Black Defined Color Black Color Black Defined Color Black Front Axle 15mm Thru x 110mm Hub Brake Compatibility Center Lock Disc ISO Diameter 584 650b 27 Largest Cog 45 Color Gray Rear Der Shifter Compatibility Shimano Mountain Rear Derailleur Mount Type 10x1 Standard Drivetrain Speeds 12 Weight 237 Chain Wrap Capacity (teeth) 35 Cage Length Medium