Velo News

Live: Longsjo Classic | Sunday, June 26 | Women's race: 1:45 p.m. EDT; Men at 3 p.m. Read More »

  1. Home » The final verdict: Shimano Ultegra Di2 » Internal wiring

Internal wiring

The internal wiring junction box is smaller, and the whole wiring harness is easier to work with. Photo: Caley Fretz

The internal wiring junction box is smaller, and the whole wiring harness is easier to work with. Photo: Caley Fretz