E-TUBE Y-Connector Cable - MM - 250/350/50 mm To route Di2 cables internally on compatible handlebars, the JC130 Y-connector is a practical solution when paired with SHIMANO's RS910 bar-end connection
Pad material: resin (5th generation)
Less noise and better modulation
New resin friction material
50% higher wear resistance than B03S
110% higher wear resistance than B01S