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The Hellbender 70 Visco is a Press-fit headset assembly and are only compatible with press-fit style headtubes. Press-fit head tubes have an open bore, with no molded or integrated races inside the head tube.
Ensure that you have the correct size headset for your bike’s head tube dimensions. If you are unsure, you can read our article, Everything You Need To Know About Headsets or you can ask your local bike shop.
Always set the preload on a Hellbender 70 Visco to 2.5-3.5 N-m
Note: Upper headset assemblies are not compatible with smooth finish steel steerer tubes. To function properly there needs to be adequate friction between the headset and steerer tube.
Do Not Remove the bearings or damping shims before attempting to press in the Hellbender 70 Visco headset cups.
The Cane Creek Hellbender 70 Visco does not require the Headset Installation tools that take the place of the bearings while pressing the cups into place.
Using a headset press – Press the cups into place while ONLY PRESSING DIRECTLY on outer lip of the cup – labeled “PRESS HERE”
In some cases, your fork may have an integrated crown race, where no press-on crown race would be needed. Integrated crown race forks will have a molded race on the base of the steerer tube. If this is the case your fork is not compatible with the Hellbender 70 Visco ZS56 Lower Assembly.
Hellbender 70 Visco Lower Assembly uses a proprietary crown race – Other crown races are NOT COMPATIBLE – MUST USE the provided crown race.
If you need to remove the old crown race, you should use a Crown Race removal tool. Park Tool makes a great Crown Race removal tool and they have detailed instructions on how you can remove your old crown race.
Only Use Provided Crown Race with Hellbender 70 Visco Lower Assembly
If your fork steerer tube is already cut to length, and has a star-nut or a compression plug installed inside, then you can skip this step. If you need to cut your fork steerer tube to length, you can consult Park Tool’s Fork Steering Column Length And Sizing Guide
If your fork steerer tube is already cut to length, and has a star-nut or a compression plug installed inside, then you can skip this step. If you need to cut your fork steerer tube to length, you can consult Park Tool’s Fork Steering Column Length And Sizing Guide
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