Originally Posted by streetstomper

Not special, just unusual needs. We need a right-side (no spider) crank for the front of a tandem. That crankset is shorter than the normal 170, and the owner wants to keep it matching the other three arms. We can find a left-side crank of that model and length fairly easily but no right-side, so I suggested having it reamed and tapped to accept a right pedal.