@@zoonvantijs4560 It worked out perfect. All gears shift well. I can back pedal in the first gear with out it derailing. Because it's a square taper crankset. If I needed the chainrings in a millimeter or 2 tops. I could always tighten the crank more. Not recommended . but possible. Anymore than that and I'd have to buy a narrower BB. I got lucky. Running very smooth.