Shimano Di2 Junction 4 Port Unit RGroup_8F40695EF2293495CE8402DBDCF02EEE5BF8D64A ensuring confidence in your braking

ensuring confidence in your braking system

Pack of 5 CO2 cartridges (25g) designed for Lezyne inflators

This bell combines a beautiful sound with a striking design and material selection that reflects a rider's personality

are renowned for their strength and quality

KMC chains are very slim in addition to a lower weight

Shimano Di2 Junction 4 Port Unit RGroup_8F40695EF2293495CE8402DBDCF02EEE5BF8D64A ensuring confidence in your brakingThe Shimano Junction B E TUBE Internal DI2 Wire Port serves as the central connector for DI2 systems. It connects wires from the front and rear derailleurs, cockpit area, and battery into the 4 port SM JC41 junction, which is located inside the bike frame.