Shimano Saint FH-M825 Freehub - 32 Hole - 12 mm Thru-Axle - 150 mm O.L.D.Shimano Saint FH M825 Freehub 32 Hole 12 mm Thru Axle 150 mm O. L. D. The Shimano Saint FH M825 is a rear hub which is compatible with the 12 x 150 mm over locknut dimensions widely used in Downhill applications. It combines an anodised aluminium body with a rugged steel axle and a freehub that engages quickly thanks to Quick Engagement technology. In addition, there are low maintenance cone bearings with a grease sleeve and high quality seals. Thanks