Shimano BT-DN300 Di2 Internal Mount Battery 12 Speed Trek 280 mm length Size: 58

280 mm length Size: 58

Inflate your tire in seconds

low inertia and high lateral stiffness of the Cosmic SL 40 make it a fast and efficient wheel on all types of terrain

light and durable ALUXX SL aluminum frame

Helps maintain hydration during exercise

Shimano BT-DN300 Di2 Internal Mount Battery 12 Speed Trek 280 mm length Size: 58The power house of Shimano Di2 is a long life 7. 4V Li Ion battery that is both compact and reliable, taking shifting effort away from you Excellent sealing and reliability have been proven through repeated field tests in various riding conditions, including extreme temperatures, rain, mud, and cobble stone roads The use of a single small and discreet internal battery is light weight, efficient and creates a robust and reliable system One charge gives