The Profile Mini front hub features a lightweight, low flange hub shell made from 2024 aluminum, hollow aluminum internal axle for weight savings, 3/8" Allen head studs and sealed bearings. Made in the USA (8.1 oz) OE Replacement Parts Center Axle: 439058 Axle Bolts: 3/8"x16tpi w/ 5/16" Allen Key Hardware: Aluminum Slip-on Hub Shell Bearings: 6903 (x2) Weight: 8.1 oz Need a hub guard to protect your spokes? Check out the Profile Aegis Front Hub Guard or the BSD Jersey Barrier. To see the matching Profile Mini rear cassette hub Click Here. Dans Comp offers a variety of Hub Accessories to fit most BMX hubs.