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Shimano SM JC40 Di2 External Frame Junction Box 4 Port Length 32 Carbon bar compatible Carbon bar compatible Adjustable Reach Yes Brake Caliper Type Flat Mount Brake Lever Actuation Hydraulic Brake Lever Use Left Color Gray Hydraulic Hose Length 950 Adjustable Contact Point No Hydraulic Fluid Type DOT Rotor Included No Pad Compound Organic
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