Shimano CS-HG500 Cassette - 10-Speed 12-28t Silver Model=PAW-6 }Shimano SM-JC40 Di2 External Frame

}Shimano SM-JC40 Di2 External Frame Junction Box 4-Port

}Industry Nine Hydra Complete Freehub Body - XD

with ball needle and adapter for air beds

5 kilograms the range extender mounts in place of a bottle cage on standard bottle bosses and the included cage can hold a standard water bottle when the extender battery is not needed

Shimano CS-HG500 Cassette - 10-Speed 12-28t Silver Model=PAW-6 }Shimano SM-JC40 Di2 External FrameShimano CS HG500 Cassette 10 Speed 12 28t Silver. Shimano CS HG500 10 Speed CassettesNickel shot peened finish for corrosion resistance Drilled cogs for weight savings Nickel plated steel lockring The CS HG500 cassette meets durability requirements for E MTB applications TECH SPECS Color Silver Range 12 28 Cassette Cogs 12 13 14 15 17 19 21 23 25 28 Cassette Body Type Shimano SRAM 8 9 10 Speed Drivetrain Speeds 10 Designed for ebike Yes Defined Color