RIRO 144BCD Ultralight CNC Single Chainring | Racing Bike
RIRO 144BCD Ultralight CNC Single Chainring | Racing Bike
RIRO 144BCD Ultralight CNC Single Chainring – Built for Speed
Engineered for performance cyclists and speed racers, the RIRO 144BCD Single Chainring delivers an exceptional combination of ultralight construction and uncompromising durability. Whether you're pushing the pace on the velodrome or hammering a criterium course, this chainring is designed to keep you moving efficiently and powerfully.
Key Features
- Aerospace-Grade Aluminum Alloy: Precision CNC one-piece molding from aerospace-grade aluminum alloy ensures a flawless, consistent structure with every unit produced.
- Extreme Weight Reduction: A large-area hollow design strips away unnecessary mass without sacrificing structural integrity — giving you a true ultralight advantage on every ride.
- Aerodynamic Hollowing: Streamlined hollow cutouts paired with a triangular support structure optimize aerodynamics while maintaining rigid tooth engagement for powerful, efficient pedaling.
- High-Strength Durable Construction: Root reinforcement treatment at every tooth withstands high-intensity pedaling and repeated force application, resisting impact and wear over long-term use.
- 144 BCD Compatibility: Designed specifically for the standard 144mm Bolt Circle Diameter (BCD) — compatible with a wide range of track and road racing cranks.
- CNC Processing Technology: Integrated CNC machining ensures tight tolerances, smooth chain engagement, and a premium finish that looks as good as it performs.
Specifications
- Brand: RIRO
- Model: 144 BCD
- Type: Single Chainring / Chainwheel
- Material: Aerospace-grade aluminum alloy
- Manufacturing Process: CNC integrated molding
- BCD: 144mm
- Made in Mainland China
Why Choose the RIRO 144BCD Chainring?
Competitive cyclists demand components that keep up with their ambitions. The RIRO 144BCD chainring is crafted for racers who refuse to compromise — delivering a featherlight feel, precise shifting, and tooth geometry engineered for aggressive, high-cadence riding. The hollow design isn't just aesthetic; every cutout is strategically placed to reduce rotational mass while the triangular support ribs ensure the ring holds its shape under peak loads.
Pair this chainring with your existing track or road crankset and immediately feel the difference that precision engineering makes. Upgrade your drivetrain and explore more cycling accessories from our store:
- Sports Accessories – Double-Sided Referee Coin
- 2M Adjustable Folding Tripod Stand – Outdoor & Cycling Use
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Frequently Asked Questions
Q: What does 144 BCD mean and how do I know if this chainring fits my crankset?
A: BCD stands for Bolt Circle Diameter — the diameter of the circle that passes through the center of your chainring bolt holes. A 144 BCD chainring is compatible with cranks that have a 144mm bolt circle, which is standard on many track and high-performance road racing cranksets. Measure or check your existing crankset specifications before purchasing to confirm compatibility.
Q: What material is the RIRO 144BCD chainring made from?
A: The RIRO 144BCD chainring is CNC machined from aerospace-grade aluminum alloy in a single integrated piece. This process ensures superior strength-to-weight ratio, precise tooth geometry, and a durable anodized finish that resists corrosion and wear over time.
Q: Is this chainring suitable for single-speed or fixed-gear track bikes?
A: Yes. The RIRO 144BCD single chainring is purpose-built for single-speed and fixed-gear racing applications where a 144 BCD crank interface is used. Its rigid tooth structure and root reinforcement treatment make it ideal for the high-torque demands of track cycling and speed racing disciplines.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.