Power Cranks...some interesting possibilities

[ferball]

I an across this and realized it could have all sorts of uses in the MB world. My immediate though is now your crank can be your jack shaft.

Powercranks for less than $ 6.00

 

[biknut]

Duhaaa......I can't figure out what it does.

 

[bairdco]

looks like a good possibility that you'll bust your shins...

 

[ferball]

I just realized how hard those would be to use with out pedal clips of some sort, but they are an interesting idea.