Profile's Elite Rear Cassette Hub is hand made in the USA, it's a lightweight hub that's made to the highest standards possible. The Elite cassette is built with a heat-treated aluminium shell and center axle and features Profile's Ultra driver which includes six pawls and springs creating 204 points of engagement which means instant engagement and a really loud buzz! The hub spins on over-sized abec 5 bearings for less resistance and the heat treated colour matched cone spacers and a engraved Profile Logos finish off the hub. Finished with an ultra deep anodised finished. Please note: The Profile Elite Rear Female Cassette Hub is available with a huge choice of 14mm female bolts or 10mm bolts with drivers from 9t through to 18t! Select your drive side and Colour and then select your driver option and bolts at the Checkout!. Titanium Upgrades are also available. ###section### Product Specs HUB TYPE: Cassette AXLE: Female Bolts DRIVER: Choose In Basket DRIVE SIDE: Right Side Drive SPOKE HOLES: 36h WEIGHT: 408.2g (0.9lbs) Colour: Purple, White, Polished, Green, Matt Black, Blue, Black, Gold, Red; Size: RHD