The Hellbender 70 Slam headset is a premium model designed for cyclists looking to lower their handlebar position as much as possible. Thanks to its ultra-flat bearing cover, the Slam allows for a low and aerodynamic position or to accommodate a short fork steerer.

Cups and covers

Aluminium 6061 T-6

Streamlined and lightened internal design to minimise weight and maximise strength

Top cover

Designed with the lowest possible stack height for IS and ZS versions

Fork rake

Double-sealed alloy fork crown race offers excellent sealing and low friction

Compression ring

Environmentally friendly captive compression ring

Bearings

Premium HELLBENDER sealed stainless steel bearings

Stack height

ZeroStack (ZS): 2 mm (compared to 8 mm for the standard ZS Hellbender version)

Integrated (IS): 4.6 mm (compared to 9 mm for the standard IS Hellbender version)