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SKU: CNRG0675

Origin8 Holdfast 40T 1x Chainring for SRAM 110mm 5-Bolt, Narrow/Wide Tooth Design, CNC Machined Aluminum Alloy, 10/11-Speed Compatible, Black - High-Performance Lightweight Chainring for MTB & Road Cycling with Mud Clearing Channels

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Description
Specifications

Upgrade Your Cyclocross and Mountain Bike Setup with the Origin8 Holdfast 1x Chainring - 40-Tooth, 110mm BCD, 5-Bolt, Aluminum Black

Designed for serious cyclists seeking optimal performance and durability, the Origin8 Holdfast 1x Chainring 40t is a precision-engineered component built to enhance your 1x drivetrain. Crafted from high-grade CNC machined AL7075-T6 Swiss aluminum, this lightweight yet robust chainring delivers exceptional strength, corrosion resistance, and long-lasting performance under demanding riding conditions.

Materials & Engineering

Constructed from aerospace-grade AL7075-T6 alloy, the Holdfast chainring features precision CNC machining for a flawless finish and supreme durability. Its lightweight aluminum build reduces rotational mass, improving overall bike handling and responsiveness. The black anodized coating not only adds a sleek aesthetic but also provides additional corrosion resistance for extended wear in mud, dirt, and wet environments.

Performance & Components

Engineered with a narrow/wide tooth profile, the chainring offers superior chain retention for 1x systems, minimizing chain drops and increasing riding confidence across technical terrain. Its Mud Clearing Channels facilitate efficient debris shedding, ensuring smooth operation even in mud, snow, or gritty conditions. Compatible with 10, 11, and 12-speed SRAM and compatible drivetrain systems, the Holdfast chainring provides versatile upgrade options for a seamless gear transition.

Design & Use Case

Ideal for mountain biking, cyclocross, gravel riding, and trail adventures, this 40T chainring is optimized for aggressive use and demanding environments. The 110mm 5-bolt BCD design fits SRAM cranksets with a hidden bolt mounting interface, offering a clean look and secure fit. Its versatile design suits riders who prioritize durability, performance, and sleek aesthetics in their bike components.

Innovative Features

- CNC machined from premium AL7075-T6 alloy for unmatched durability

- Narrow/Wide tooth profile for enhanced chain retention in 1x setups

- Mud Clearing Channels for debris expulsion during muddy rides

- Compatible with 10/11/12-speed SRAM drivetrain systems

- Sleek black anodized finish with 5-bolt, 110mm BCD mounting

Enhance your bike's performance with the Origin8 Holdfast 1x Chainring - the perfect combination of engineering excellence, lightweight design, and rugged reliability. Ride with confidence and optimize your 1x drivetrain today!

  • High-quality, SEO-friendly bullet points for the Origin8 Holdfast 1x Chainring 40t 1x 110 BCD 5-Bolt 10/11-Speed Aluminum Black:
  • Precision CNC machined from durable AL7075-T6 aerospace-grade aluminum for lightweight strength and exceptional durability, ensuring long-lasting performance on every ride.
  • Designed with a narrow/wide tooth profile to provide superior chain retention and reduce chain drops on 1x drivetrains, enhancing ride stability and efficiency across challenging terrains.
  • Compatible with SRAM 110mm 5-bolt BCD cranksets and supporting 10, 11, or 12-speed drivetrains, making it a versatile upgrade for a wide range of modern mountain bikes and gravel bikes.
  • Features integrated mud clearing channels to prevent debris buildup, maintaining smooth operation and reducing maintenance time during muddy or wet conditions.
  • Stylish black anodized finish combines aggressive aesthetics with corrosion resistance, perfect for both trail riding and everyday cycling, while optimizing performance with a 40-tooth design for versatile gear ratios.
Mount Compatibility110mm 5-bolt
SpecSRAM hidden bolt compatible
Chain Compatibility10/11sp
Tooth TypeNarrow/Wide
Teeth40T
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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


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