Shimano EW-SD300 Di2 eTube Wire - For External Routing 1000mm Black ModelNumber=10070 Convertible to a 15mm thru-axle

Convertible to a 15mm thru-axle with simple lobe swap (sold separately)

Optimized for 11- and 12-speed drivetrains

Convex wafered thumb pad means torsional support and adds comfort

Shifting under load is made possible on the XX T-Type 10-52t cassette due to a combination of X-SYNC technology and cassette mapping creating seamless shifts even during your hardest power output

Shimano EW-SD300 Di2 eTube Wire - For External Routing 1000mm Black ModelNumber=10070 Convertible to a 15mm thru-axleShimano EW SD300 Di2 eTube Wire For External Routing 1000mm Black. Shimano EW SD300 Di2 eTube Wire for external routing is available in a variety of lengths. Compact design makes new electric components smaller and lighter EP8 EP800 Series