Shimano E-Tube Connecting & Setting Device Kit Description: The Shimano Steps SM-PCE02 PC Linkage Device and Cables for STEPS and Di2 groups is used to check system functions, connections, and errors as well as update firmware and customize functions. Features: PC Linkage device kit for configuration of Di2 Electronic Drivetrains and STePS E-Bike systems SM-PCE02 connects through a Micro USB port to Shimano E-Tube PC Software Includes: (1) SM-PCE02 PC Linkage Device (1) SD300 Setting Cable (1) SD50 Setting Cable (1) SD300 Junction (1) SD50 Junction (1) SD300 Plug Tool (1) SD50 Plug Tool (1) Micro USB to USB-A Cable Specifications: Compatibility: Shimano STePS E-Bike systems, Shimano Di2 Electronic Groupsets