bikex10

I am currently exploring the possibility of installing a Moto 120 fork on our Mountain Tandem. The issue with the fork is that it has disc brake mounts on the right side. I am going to attempt to install a BB7 upside down and use the "pullie system" can't remember what Avid called their rear derailleur assist thing to correct the cable routing.
The question that I have is, will a prebuilt disc wheel take the stress mounted in reverse the way it has been laced, or will it need to be custom laced?
Thanks

CdCf

It will be equally strong in either direction. Remember, the disc mount is still on the same side of the wheel, it's just that the wheel is inserted "backwards". It doesn't know which way it's rolling...
(This assumes the wheel is laced in a symmetrical pattern, which most are, or should be!)

Regarding the disc brake mount - if it's right side, why is it upside down? Surely it's designed to allow you to mount the disc brake right way up, only pointing forward instead of backward. Just like if you'd take a regular disc brake fork and turn it 180 degrees - the disc brake mount is still the right way up!

The Avid thing is called the Rollamajig or something like that. Not sure if it's suitable for brake cables, though. It's designed for shifter cables, so it might be too weak to handle brake cables. Check that first, if it turns out you really do need to mount it upside down.

bikex10

Thanks for your reply.The fork in question was produced by Cannondale a few years back and was designed for a WinZip disc brake. The mount is on the right side on the back side of the fork. If I just bolt the caliper on without flipping it what was the outside of the caliper becomes the inside and thus causing alignment problems. Or is my thinking off base.
Again thanks for your reply.

Az B

Go hydraulic and mount the caliper correctly and get creative with the brake line instead.

Az

CdCf

If it's intended to be used offroad, then I'd probably go with hydraulic as well, but if this is for a tourer or just a regular ride-anywhere-bike, stick with mechanical.

I have the BB7 myself and it's an outstanding piece of equipment!

CdCf

If I were to design a disc brake fork, I'd make it so the brake caliper is mounted on the right side of the bike (left is standard today) and FORWARD of the fork, so that it's both right way up, and can't create any ejection forces on the wheel (which the standard mounting used today creates, sometimes in dangerous amounts).