Frame building fixture for locating the frame bracket for Shimano E5000, E6100, E7000, E8000 and EP8 series STePS system motors OR Bosch Gen 4 system mid drive motor units using the standard BB shell spindle on standard frame jigs. These uses a stainless steel tube for the frame fixture interface.

Uses stout 1/4” stainless steel plates laser cut in Portland.
Fixture only, frame mounting cabinet not included.

New Shimano STePS version made with a threaded 68mm English threaded stainless steel BB shell which would allow a rider to replace their old or broken STePS motor unit with a standard crankset or bottom bracket mounted mid drive from another manufacturer.

Weight is approximately 2lbs.