Weighing just 74 grams, the Extralite HyperBoost3 F hub is the lightest Boost front hub in the world!. It's a straight pull hub with flanges for 24 or 28 spokes and is made entirely of 7075Txx aluminum with refined CNC machining, equipped with a 17 mm diameter axle optimized with variable thickness. Comes with two 6803 2RS stainless steel bearings but  as an option is possible to get ceramic or ceramic hybrid bearings and the oversized disc side bearing (6903 2RS). There's an external regulator ring for adjusting the axial bearing pre-load and side play. Disc brake rotor attach is 6 holes International Standard. The hub is compatible with Boost forks (110 x 15 mm). Black anodized finish with laser graphics. The HyperBoost3 F is 100% Made in Italy.

Weighing just 148 grams, the Extralite HyperBoost3 R hub is the lightest Boost rear hub in the world!. It's a straight pull hub for 24 or 28 spokes and is made entirely of 7075Txx aluminum with refined CNC machining, equipped with a 17 mm axle optimized with variable thickness. Direct front engagement freehub system 36T or 48T, Shimano MTB 11s, Sram XD 11-12s, Shimano MicroSpline 12s. Comes with stainless steel bearings but as an option is possible to get ceramic or ceramic hybrid bearings and the oversized 6903 disc side bearing. External regulator ring for axial bearing pre-load/side play adjusting. Disc brake rotor attach is 6 holes International Standard. The hub is compatible with Boost frames (148 x 12 mm). Black anodized finish with laser graphics. 100% Made in Italy.