Bicycle hub axle for REAR BMX sealed bearing hubs (such as Superlace, Racelace, etc. and other hubs from the 1980's). Color: SILVER Dimensions: 156mm overall length - 79.2mm center section (inside edge of bearing to inside edge of bearing). Bearing seat is 3/8" (these are typically used with R6 bearings) Threading: 3/8" x 26T Material: Chromoly steel Weight: 72g SOLD INDIVIDUALLY