This is the Shimano Ultegra Di2 Internal Junction Box. This box is referred to as the junction box "B" on a Di2 build. The SM-JC41 is for use with internal wiring setups and is the main centre of…
Supports Di2 Synchronized Shifting The Shimano BT-DN110 battery contains a memory chip that can handle the processing power required to deal with the multiple shift patterns and customisations that…
BT-DN300 BATTERY Di2 INTERNAL TYPE ULTEGRA 8100: Join the Pursuit of Next Level Speed Shimano’s new ULTEGRA line-up dives into what is ready behind the science of speed with real-world applications.…
Supports Di2 Synchronized Shifting The Shimano BT-DN110 battery contains a memory chip that can handle the processing power required to deal with the multiple shift patterns and customisations that…
This is the Shimano Ultegra Di2 Internal Junction Box. This box is referred to as the junction box "B" on a Di2 build. The SM-JC41 is for use with internal wiring setups and is the main centre of…