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SKU: HDST1450

Cane Creek 40-Series Lower Adapter IS47 to IS41/30 Black - Lightweight, Engineering-Optimized Tapered Headset Conversion Adapter with Separate Top & Bottom Components for Bicycle Tapered Steerer Compatibility

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Description
Specifications

Upgrade your bicycle's steering system with the Cane Creek 40-Series Lower Adapter, IS47>IS41/30 Black - the ultimate solution for seamless headset upgrades and conversions. Designed for professional bike shops and avid cyclists alike, this high-performance lower adapter is engineered to enhance compatibility, reliability, and style.

Materials & Construction

Crafted from precision-machined aluminum and finished in sleek black anodization, the Cane Creek 40-Series Lower Adapter offers an optimal balance of durability and lightweight performance. Weighing only 11 grams, it ensures minimal added weight while maintaining structural integrity.

Performance & Engineering

Built to support a variety of headset configurations, this adapter features a 1mm stack height for precise fitting and alignment. Its robust design ensures smooth steering action and optimal load distribution, reducing wear and tear on your bicycle's fork and head tube. Compatible with ISO 47 to ISO 41/30 tapered steerer tubes, it provides a secure, play-free fit for superior handling and rider confidence.

Components & Technology

Part of Cane Creek's innovative 40-Series Solutions, this lower adapter works seamlessly with top assemblies that include star nuts and top caps, offering a versatile, mix-and-match system that helps simplify inventory management. The adapter is compatible with multiple headset standards, including Cane Creek Integrated IS41.0mm ID (36x45), Campagnolo Hiddenset 42.0mm ID (45x45), ZeroStack (ZS), and External Cup (EC) systems - designed for 1", 1-1/8", and tapered steerers.

Style & Use Case

With a sleek black finish, this adapter complements any bicycle aesthetic, from sleek road bikes to rugged mountain rigs. Ideal for upgrading existing headsets, converting between standards, or customizing your bike's steering system, it is perfect for bike shops, mechanics, and serious cyclists seeking reliable performance and easy installation.

Innovative Features & Differentiators

- Separate top and bottom assemblies for flexible conversions

- Compatible with multiple headset standards for versatile use

- Includes essential components such as crown race and star nut

- Reduces inventory overlap with a modular, mix-and-match system

- Proven durability and engineering from Cane Creek, a leader in headset technology

Optimize your bike's steering with the Cane Creek 40-Series Lower Adapter, IS47>IS41/30 Black - engineered for precision, engineered for performance.

  • Optimized for compatibility, the Cane Creek 40-Series Lower Adapter seamlessly converts IS47 steerers to IS41/30 lower headset cups, enabling versatile bike setup options.
  • Constructed from high-quality materials matching Cane Creek's renowned 40-series performance, this adapter ensures durability, corrosion resistance, and long-lasting performance in demanding cycling conditions.
  • Designed for precise fit and easy installation, the adapter features a lightweight build at just 11 grams, with a minimal 1mm stack height to maintain optimal head tube geometry and steering responsiveness.
  • Ideal for road, mountain, and cyclocross bikes, the IS47 to IS41/30 converter is perfect for riders seeking tapered steerer compatibility with reliable, high-performance components.
  • Innovative in its modular design, the adapter supports a mix-and-match system, reducing inventory complexity and providing bike builders and repair shops with flexible, efficient upgrade options.
Upper/LowerLower
S.H.I.S. Stem Clamp DiameterIS47>IS41/30
ColorBlack
Model Name40-Series Lower Adapter
Weight11g
Stack1mm
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We pride ourselves on our ability to ship and deliver your gear with excessive speed! We ship from 22 locations throughout the United States and most orders will arrive in 3 days or less with Free Shipping on orders over $75!

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365 Cycles puts the customer above everything. Our number one goal is your satisfaction. When you press the shift lever you want the gears to shift, and when you buy bicycle parts, you want the bicycle parts to arrive on time in new condition. With over 60,000 products and 22 warehouse locations throughout the country, we have the parts you need and they are coming in hot!

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Our team is waiting to help you 7 days a week and they are more qualified to help than I am but if you ever feel like you're not getting the service you need I’m personally asking you to email me at ben@365cycles.com with "CUSTOMER LOYALTY" in the title and I will personally handle your order.

Over the years we have served millions of satisfied customers and continue to serve many of them today. With your feedback, we are confident we can take this lifelong journey together and build a friendship that goes beyond parts and accessories.

“If you want to go fast, go alone, if you want to go far, go together.” -Someone Smart

Ben Berman Founder & CEO of 365 Cycles


Company Core Values: 

These were established by the members of our team and we use them every week to call out team members who have shined in one of these areas. Feel free to let us know at info@365cycles.com if someone you worked with has gone above and beyond in one of these areas. 

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