Description
Upgrade your bicycle’s drivetrain with the premium Sturmey Archer 3-Speed Flat Cog, 18-tooth Chrome – the perfect choice for enhancing gear versatility, durability, and performance. Designed specifically for use with Sturmey Archer 3-speed internal gear rear hubs, this high-quality steel cog ensures smooth operation and long-lasting reliability for a wide range of cycling applications.
Materials & Construction:
Manufactured from robust, corrosion-resistant steel with a sleek chrome finish, this 3-spline cog combines durability and style. The chrome plating offers excellent resistance to rust and corrosion, making it ideal for all weather conditions and extended riding seasons.
Performance & Engineering:
Engineered for precision, the 18-tooth cog provides optimal gear ratios for city commuting, touring, or recreational riding. Its flat or dished design allows for fine-tuning the chainline, ensuring efficient power transfer and smooth shifting. The 3-spline mounting system guarantees a secure fit on compatible Sturmey Archer hubs, delivering consistent performance even under demanding cycling conditions.
Components & Technology:
This steel cog is compatible with 3/32″ chains, a standard in many internal hub gearing systems. The precise spline interface simplifies installation and removal, while the high-quality materials reduce wear, extending the lifespan of your drivetrain components.
Style & Use Case:
Featuring a classic chrome finish, this cog adds a vintage-inspired aesthetic to your bike while providing modern engineering benefits. Whether you’re upgrading a vintage bicycle, building a custom commuter bike, or restoring a classic model, this 3-speed cog is designed to seamlessly blend style with function.
Innovative & Differentiating Features:
– Flat or dished design for chainline customization
– Compatible exclusively with Sturmey Archer 3-spline hubs
– Chrome coating for enhanced corrosion resistance and style
– 18-tooth gear for versatile riding conditions
Maximize your bicycle’s efficiency, durability, and style with the Sturmey Archer 3-Speed Flat Cog in Chrome. A must-have component for any internal gear hub setup, ensuring smooth, reliable shifting and lasting performance for all your cycling adventures.
- Premium steel construction ensures durability and long-lasting performance for daily cycling and commuting.
- Designed specifically for Sturmey Archer 3-speed internal gear hubs with 3-spline compatibility, providing a perfect fit and reliable engagement.
- Featuring an 18-tooth flat or dished profile, allowing for precise chainline tuning and optimized shifting performance.
- Chrome finish delivers corrosion resistance and a sleek aesthetic, enhancing the style and longevity of your bike’s drivetrain.
- Ideal for vintage, commuter, or cruiser bikes, this 1/8″ chain compatible cog combines classic design with modern engineering for versatile cycling needs.
| Chain | 3/32″ |
| Description | Steel Cog |
| Hub Type | Sturmy 3-Spline |
| Teeth | 18 |
| Color | Chrome |
| Model Name | 3-Speed Flat Cog |






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