SHIMANO Sm-Jc40 Wire Junction For Ew-Sd50 Maintenance By combining compression with technical

By combining compression with technical fabrics and features

traction and comfort

28" 29" and 700C bikes

stable layer of ultra-fine 100% polyester filament strands that trap air to keep you warm

SHIMANO Sm-Jc40 Wire Junction For Ew-Sd50 Maintenance By combining compression with technicalThe Shimano Di2 SM JC40 Junction Unit for External Cables is the Grand Central Station of the e tube Di2 system. Dura Ace Di2 (Dual Integrated Intelligence) moves to the next generation. Tested in competition and taken to victory by pro riders in all conditions, including the 2012 Tour de France Team Sky. Features SM JC40 cable junction for external wire routing Junction is required for connection of rear mech, front mech, battery, and cable to