You can already buy it! Look at HxR components from Germany, they sell a crank with a freehub built into the spider.
Works pretty nicely, changing gears when not peddling etc. Some of the Chromag guys have been running them since last year
[http://www.chainreactioncycles.com/mobile/ca/en/hxr-components-easy-shift-enduro-crankset/rp-prod157401](http://www.chainreactioncycles.com/mobile/ca/en/hxr-components-easy-shift-enduro-crankset/rp-prod157401)
June 12, 2017, 11:10 p.m. - Frazzle20
You can already buy it! Look at HxR components from Germany, they sell a crank with a freehub built into the spider. Works pretty nicely, changing gears when not peddling etc. Some of the Chromag guys have been running them since last year [http://www.chainreactioncycles.com/mobile/ca/en/hxr-components-easy-shift-enduro-crankset/rp-prod157401](http://www.chainreactioncycles.com/mobile/ca/en/hxr-components-easy-shift-enduro-crankset/rp-prod157401)