Shimano EW/SD300 4 ports junction EW-JC304Introduced with the Shimano EP800 series, the SD300 E Tube components form the interface between compatible STePS parts and expand the functional range of future Di2 systems. Shimano Di2 E Tube junction for the connection of 4 EW SD300 wires. Fixing by plug connection.

Anti-Drop Design

Pad Standard           : B01S Resin

Contains 3 active ingredients

This lever's new shape and light operation provide riders with a comfortable

- Total derailleur capacity: 16

Wider clearance for large wheels

Material: Alloy

The new I-SPEC EV lever offers a wide range of adjustments including increased lever slide range

Compatible chain           : HG-EV 11-speed

7 Nano 3D adjuster system with micrometric wheel

MAX TOOTH: 36

ensuring long-lasting performance ride after ride