NS Bikes Rotary Singlespeed Chromoly Rear Axle, 4130 Steel. Aluminum axles wear out. Chromoly doesn’t. This heavy-duty 4130 Chromoly rear axle transforms your Halo hub into a virtually bulletproof setup, capable of handling hard dirt jump sessions, street riding, and BMX-style peg use. Supplied with full Chromoly male bolts. Optional pegs available. Built for riders,…
World Premiere: The Bulletproof Radio Sonar Hub Axle Upgrade
Built for riders who actually ride.
Modern dirt jump bikes are stronger than ever, but one weak point has remained surprisingly common:
Aluminum rear axles.
For normal riding they’re fine.
For hard dirt jump sessions, street riding, peg tricks, and years of abuse, they’re simply not the ideal material.
That changes now.
This specially developed for the NS Bikes Rotary Singlespeed rear hubs and is manufactured from solid 4130 Chromoly steel, creating a virtually bombproof upgrade that dramatically increases strength, durability, and long-term reliability.
If you’ve ever bent an axle, worried about damaging your hub, or wanted to run pegs like on a BMX without compromising your setup, this is the solution.
Check this Video from Sam Pilgrim. (Thank you for the Proof of Concept Sam!)
Built to take abuse
Unlike standard aluminum axles, 4130 Chromoly steel is designed to handle:
✔ Heavy landings
✔ Hard side impacts
✔ Peg use
✔ Street riding
✔ Long-term wear and abuse
The result is a rear axle that is significantly stronger and more durable than the original setup.
No more worrying about worn axle threads, damaged aluminum hardware, or pushing your bike beyond its limits.
BMX-inspired functionality
One of the biggest advantages of the Chromoly axle setup is the ability to run BMX-style pegs properly.
The solid steel construction provides the strength required for peg use, giving riders the confidence to experiment with grinds, stalls, and creative lines without constantly worrying about damaging their rear hub.
Because when you’re riding hard, aluminum simply isn’t the ideal material for that job.
Easy installation
No complicated modifications.
Simply remove your original axle, install the Chromoly upgrade kit, tighten everything down, and you’re ready to ride.
A straightforward upgrade with a huge increase in strength and durability.
BMX pegs available separately or as an upgrade bundle
Who is this for?
Dirt jump riders
Street riders
BMX-inspired MTB builds
Riders who destroy aluminum hardware
Anyone looking for the strongest NS Bikes Rotary Singlespeed rear hub axle setup possible
If you’ve ever thought:
“Why isn’t there a proper heavy-duty axle for NS Bikes Rotary Singlespeed rear hubs?”
This is your answer.
Additional information
Weight
0,02 kg
Dimensions
17 × 10 × 1 cm
Legal Notice
Legal Notice
Freakynuts® is a registered trademark. Copying, imitating, reproducing or otherwise replicating this product, its design, images or related content is strictly prohibited. All products and content are protected by applicable intellectual property rights, where applicable. Further provisions apply as set out in our Terms and Conditions.
Rechtlicher Hinweis
Freakynuts® ist eine eingetragene Marke. Das Kopieren, Nachahmen, Vervielfältigen oder sonstige Replizieren dieses Produkts, seines Designs, der Bilder oder zugehöriger Inhalte ist strengstens untersagt. Alle Produkte und Inhalte sind – soweit anwendbar – durch geltende Rechte des geistigen Eigentums geschützt. Es gelten die weiteren Bestimmungen gemäß unserer Allgemeinen Geschäftsbedingungen.
Product safety
Safety instructions
This is a technical bicycle component intended for high-stress riding conditions. Incorrect installation, improper use, overloading, or modification may result in component failure, property damage, serious injury, or death.
Installation, setup, and inspection must be carried out professionally and in accordance with all instructions, specifications, and load limits. We strongly recommend installation and checks by a qualified bicycle mechanic.
Use is entirely at the user’s own risk. The user is solely responsible for determining suitability for the intended bicycle setup and riding conditions.
Deutsch / German (Sicherheitshinweise) Dies ist ein technisches Fahrradbauteil für hohe Belastungen. Fehlerhafte Montage, unsachgemäße Nutzung, Überlastung oder Modifikationen können zum Versagen des Bauteils sowie zu Sachschäden, schweren Verletzungen oder Tod führen.
Montage, Einstellung und Kontrolle müssen fachgerecht und gemäß allen Anleitungen, Spezifikationen und Belastungsgrenzen erfolgen. Wir empfehlen dringend die Montage und Prüfung durch eine qualifizierte Fahrradwerkstatt.
Die Nutzung erfolgt auf eigenes Risiko. Der Nutzer ist allein verantwortlich für die Eignung des Produkts für das jeweilige Fahrrad-Setup und die vorgesehenen Einsatzbedingungen.
We provide the statutory consumer rights required by applicable law. Nothing in this notice limits or excludes mandatory rights, including rights in case of defective or non-conforming goods, or liability for death or personal injury where such limitation is not permitted by law.
We are not responsible for defects or damage caused by incorrect installation, improper use, modifications, use outside specifications/load limits, wear and tear, or lack of proper maintenance.
Any additional liability is limited to the purchase price of the product concerned, to the extent permitted by law.
DE (Gewährleistung / Haftungshinweis) Es gelten die gesetzlichen Verbraucherrechte. Nichts in diesem Hinweis schränkt zwingende Rechte ein oder schließt diese aus, insbesondere nicht Rechte bei mangelhafter oder nicht vertragsgemäßer Ware sowie die Haftung für Verletzungen von Leben, Körper oder Gesundheit, soweit gesetzlich eine Einschränkung unzulässig ist.
Wir haften nicht für Mängel oder Schäden, die durch fehlerhafte Montage, unsachgemäße Nutzung, Modifikationen, Nutzung außerhalb von Spezifikationen/Belastungsgrenzen, Verschleiß oder mangelnde Wartung entstehen.
Im Übrigen ist unsere Haftung – soweit gesetzlich zulässig – auf den Kaufpreis des betroffenen Produkts beschränkt.
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