Di2

The Controltech battery holder keeps your Di2 battery secure and out of sight. Rugged rubber construction cushions your battery from vibration while the flexible design slides right into your seatpost. At 6 grams, you'll quickly forget it's even there.

Founded in Japan in 1921, Shimano has a rich history of both producing some of the best bike components on the market, and bringing innovation to the forefront of their mission.

Founded in Japan in 1921, Shimano has a rich history of both producing some of the best bike components on the market, and bringing innovation to the forefront of their mission.

Founded in Japan in 1921, Shimano has a rich history of both producing some of the best bike components on the market, and bringing innovation to the forefront of their mission.