Brand new White Industries G30 polished silver 170mm crankset. Specs Designed around a 91mm OBW (Outer Bearing Width) This is the allowable outside-to-outside measurement of your BB bearings (with seals) when they are mounted to your frame. The bearing preload collar on the crank is adjustable and can accommodate slightly wider or narrower widths (+/- 1mm) than the target number. Designed to fit 68mm or 86mm bottom bracket shells Weight: 570g (175mm length w/spindle)