Originally Posted by
int19
My Disc Rohloff hub is on a frame specifically built for it, but I'm going to retrofit my XC hardtail in the near future with a rohloff as well, so I've been researching this...
This handy thing solves chain tensioning on a disc frame with standard dropouts and a
standard bb shell, compatible with shimano hollowtech II cranks:
Tr!ckstuff Excentriker bottom bracket:
http://www.trickstuff.de/shop/produc...roducts_id=414

Here's another, similar, offering I've been considering.
Forward Components EBB $135
http://forwardcomponents.blogspot.co...et-patent.html
Also, it's not a EBB, but a nicely mounted (IMO) chain tensioner
Yess ETR-B $60
http://yess.myshopify.com/products/e...hain-tensioner
Also, the Yess HALO is supposed to be, essentially, a BB > EBB adapter, but I haven't worked out how it works
Yess HALO $50
http://labs.yesspro.com/products/halo-bb-adapter