This Flexhub is a hub with a 10 mm keyed bore and a 0.394-0.396 in. with a 4 mm keyway.
All Flex Hubs fit all Flex Hub gears
- Hub Outside Geometry: 0.75 in. Hex
- Hub Width: 0.4 - 0.41 in.
- Material: 12L14 Steel
- Weight: 0.1 lbs
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