Unmatched Durability The new Roloway hub is a precision sealed front hub with 3/8” in-bound axle bolts and two removable plastic hub guards. An oversized axle, bearing configuration and 7075-T6 aluminum hub shell is used for unmatched durability. Features 7075-T6 aluminum hub shell 6804RS sealed cartridge ball bearings Precision bored fully concentric bearing seats for a smoother spin and prolonged bearing life 20mm 7075-T6 aluminum axle with steel helicoil thread inserts 3/8” heat-treated chromoly axle bolts with 17mm wrench flats and a 6mm hex slot Replaceable plastic hub guards included(Also sold separately) Technical Specifications Spoke Configuration: 36 hole Hub Shell Material: 7075-T6 aluminum Hub Shell Bearings: 6804RS sealed cartridge ball bearing Axle: 20mm 7075-T6 aluminum female axle with steel helicoiled threads.Axle Bolts: 3/8″ heat-treated 4130 chromoly axle bolts Guard Option: Plastic hub guards included Flange Diameter Left: 44mmFlange Diameter Right: 44mmCenter to Flange Left:28mmCenter to Flange Right: 28mmWeight: 340g / 12 oz Need help choosing the right part? Message us on Instagram, YouTube, Facebook, or TikTok. All parts ship fast from 5150BMX.com — support core BMX. View all GSport products