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
Lining: resin
Less noise and better modulation
50% higher wear resistance than K03S
110% higher wear resistance than K02S
Piston: for 2-piston brake caliper
Back plate: stainless steel