Description
Upgrade your single speed or urban bike setup with the Wolf Tooth Single Speed Aluminum Cog – the perfect combination of lightweight performance, durability, and striking style. Made from premium 7075-T6 aluminum, this 19-tooth purple cog offers exceptional strength while maintaining a lightweight profile at just 21 grams, ensuring enhanced acceleration and responsiveness on every ride.
Designed for optimal compatibility, this cog is engineered to fit Shimano Hyperglide style freehub bodies, making it a versatile choice for a variety of bicycle builds. Its extra-tall teeth provide reliable chain retention, especially when using chain tensioners, reducing the risk of chain drops during aggressive riding or technical terrain. The reversible design and 4.5mm wide base help prevent damage to your freehub body, extending the lifespan of your drivetrain components.
Built for performance with 3/32″ chains, this cog is compatible with 9, 10, and 11-speed chains, and suitable for some 12-speed chain applications, making it an adaptable upgrade for urban, commuter, and single speed bikes. Its vivid Color Pop Purple finish adds a bold, eye-catching accent to your bike, perfect for riders wanting to combine functional engineering with standout style.
Key Features:
– Precision-crafted from lightweight, high-strength 7075-T6 aluminum
– 19-tooth cog optimized for single speed and multi-speed chain compatibility
– Compatible with Shimano HG freehub bodies; not for Shimano Microspline or SRAM XD freehubs
– Extra tall teeth for secure chain retention when using tensioners
– Reversible design with a wide base to prevent freehub damage
– Weighs only 21 grams for minimal impact on performance
– Color Pop Purple finish for a vibrant, stylish look
Enhance your bike’s drivetrain with the Wolf Tooth Single Speed Aluminum Cog-engineered for reliability, performance, and standout style. Perfect for urban riders, commuters, and single speed enthusiasts seeking high-quality components that deliver value and performance on every ride.
- Lightweight and Durable Construction: Crafted from premium 7075-T6 aluminum, this 19t single speed cog offers exceptional strength while keeping weight to just 21 grams, ideal for performance-minded riders seeking reliability and agility on the trails or city streets.
- Optimized for Versatile Compatibility: Designed to work seamlessly with 9, 10, and 11-speed chains, with some compatibility for 12-speed, plus Shimano Hyperglide freehub bodies-perfect for upgrading or customizing your single speed or fixed gear setup.
- Enhanced Chain Retention and Protection: Features extra tall teeth for superior chain retention when using chain tensioners, along with a reversible design and wider 4.5mm base to prevent freehub damage, ensuring smooth, secure engagement during intense rides.
- Stylish and Eye-Catching: The bold Color Pop Purple finish adds a vibrant, personalized touch to your bike’s drivetrain, making it stand out on the streets or trails while maintaining a sleek, professional aesthetic.
- Innovative Engineering for Reliable Performance: Engineered with precise tooth geometry and a reversible, protective design, this aluminum cog delivers consistent engagement, minimal wear, and enhanced durability for long-lasting performance in demanding cycling conditions.
| Tooth Count | 19 |
| Cassette Body Type | Shimano HG |
| Drivetrain Speeds | Single Speed 3/32″ |
| Material | Aluminum |
| Defined Color | Purple |





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