12 x 148 mm thru axle, 32H, 6-bolt, 2 x NBK sealed bearings, 330 g. This hub doesn't support multi-axle so you cannot convert it into different axle size. Freehub body : type F, Shimano, 5 pawls, aluminium

12 x 148 mm thru axle, 32H, center lock, 5 x EZO sealed bearings, 330 g. This hub supports multi-axle system so you can convert it into different axle size. Freehub body : type F, Shimano 11 speed, 3 pawls, steel.