NEW Shimano EW-SD300 Di2 eTube Wire - For External Routing, 1000mm, Black variant-size-46cm * Chain/Cassette/Cranks: 7/10 (new chain)

* Chain/Cassette/Cranks: 7/10 (new chain)

- Cup and Cone bearings offer greater strength than sealed cartridge industrial bearings due to their ability to displace lateral and vertical loads more effectively for super smooth rotation and longer durability

Laced with j-bend DT Aerolite spokes and brass nipples for durability and serviceability

steel 8/9-speed chainrings with pins and ramps

NEW Shimano EW-SD300 Di2 eTube Wire - For External Routing, 1000mm, Black variant-size-46cm * Chain/Cassette/Cranks: 7/10 (new chain)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