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Hellbender 70 Slam



Featuring some of the lowest stack height bearing cover options available, our premium stainless steel Hellbender bearing, 6061 T-6 Aluminum cups and covers, the Hellbender 70 Slam is a premium headset created for riders seeking to lower their handlebars as low as possible without compromising bearing longevity and proper preload.

Highlights:

  • ZS – 2mm top, IS – 4.6mm top
  • 6061 T-6 Aluminum, internally contoured and relieved to minimize weight and maximize strength
  • Top cover design with the lowest stack height possible
  • Alloy dual-seal crown race
  • Sealed stainless-steel Hellbender bearings

Get 20% off when you buy our Road Package.

Additional information

Cups & Covers

6061 T-6 Aluminum
Internally contoured and relieved to minimize weight and maximize strength

Top Cover

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

Crown Race

Alloy Dual-Seal crown race provides excellent seal efficiency with low friction

Compression Ring

Carbon friendly captured compression ring

Bearings

Premium, sealed stainless-steel HELLBENDER bearings

Stack Height

ZeroStack (ZS) — 2mm top (vs 8mm top for normal ZS Hellbender)
Integrated (IS) — 4.6mm top (vs 9mm top for normal IS Hellbender)

Part #s

BAA2160K – ZS44 / ZS56
BAA2161K – IS41 / IS52
BAA2162K – IS42 / IS52
BAA2163K – ZS44 Top
BAA2164K – IS41 Top
BAA2165K – IS42 Top

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Q & A

Is there a crown race that will work for a 1 1/8" straight steerer on this headset? edward grinwald asked on December 1, 2023

Yes, you will need a 52/30 crown race in addition to the rest of the headset assembly.

Ben Rea answered on December 8, 2023 store manager
(0) (0)
What are the Angles on the bearings pressing against the Frame on the lower and upper bearing? I need a Hellbender 70 Slam Tapered IS41/28.6/H4.6 | IS52/40 1 1/8"-1 1/2" Sam asked on November 20, 2023

All of our bearings use 45* outside angles (that interface with frame or bearing cups) This is actually one of the only fairly reliable standards across the bike industry.

Ben Rea answered on December 1, 2023 store manager
(0) (0)
Which headsrt is needed for the new specialized crux? Ian asked on October 10, 2023

The Crux uses an IS42 upper headset and an IS49 lower headset. We only offer the upper IS42 since the IS49 uses a proprietary sized bearing onyl availale from specialized.

You can choose from several of our headset models in IS42 and we recommend the 110 Series since it has a Lifetime Guarantee (even on the bearings).

Ben Rea answered on October 11, 2023 store manager
(0) (0)
What is the angle on the bottom of the upper bearing? Robert asked on September 29, 2023

We use both 36°x45° and 45°x45° bearings so it depends on the headset size. All IS47 lower headsets will use a 45°x45° bearing. All other lower complete headsets use a 36°x45° bearing.

Ben Rea answered on September 29, 2023 store manager
(0) (0)

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Related Reviews

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3.7
Based on 3 reviews
5 star
67
67%
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0%
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2 star
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1 star
33
33%
Showing 2 of 3 reviews (5 star). See all 3 reviews
Aldean L.
Aldean L.ph
Verified OwnerVerified Owner
5/5

the best headset for short people like me. you can really lower the stack height to have more aggressive climbing position in XC bikes

Verified reviewVerified review - view original

8 months ago
Landon G.
Landon G.us
Verified OwnerVerified Owner
5/5

Parts worked great for what I needed. Thanks guys!

Verified reviewVerified review - view original

9 months ago

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