Surly Single Cassette Cog 3/32″ Splined 21t

Description

Upgrade your single-speed or 9-speed setup with the Surly Single Cassette Cog 3/32″ Splined 21t – the perfect blend of durability, performance, and versatility. Crafted from high-grade SCM 415 hardened chromoly steel, this single speed cassette cog delivers exceptional strength and longevity for aggressive riding and daily commuting. Its precise 3/32″ tooth profile ensures smooth engagement and efficient power transfer on every pedal stroke.

Designed to fit Shimano freehub splines, the Surly 21-tooth cog is optimized for single-speed conversions but also compatible with 9-speed shifters for tailored setup options. Whether you’re building a lightweight fixed-gear bike or customizing your urban commuter, this cassette cog provides reliable performance with minimal weight-only 86 grams-making it an excellent choice for riders seeking durability without sacrificing weight savings.

Featuring advanced materials and engineering, the Surly Single Cassette Cog ensures consistent engagement and long-lasting wear. Though primarily designed for single-speed use, it can be stacked with other cogs to accommodate multi-gear configurations, though shifting may be less crisp compared to dedicated multi-gear cogs. Perfect for bike enthusiasts and urban cyclists demanding high-quality components that stand up to tough riding conditions.

Optimize your drive train with this versatile, heavy-duty steel cassette cog – engineered for reliability, performance, and seamless integration into your bike’s drivetrain system. Elevate your cycling experience with Surly’s trusted craftsmanship, designed to meet the needs of modern urban explorers and fixed-gear enthusiasts alike.

• Enhance your singlespeed setup with the Surly Single Cassette Cog 3/32″ Splined 21t, crafted from SCM 415 hardened chromoly steel for exceptional durability and longevity.
• Designed to fit Shimano freehub splines, this lightweight cog weighs only 86 grams, making it an ideal choice for performance-focused cyclists seeking a reliable, minimalist component.
• Versatile performance options include use as a dedicated singlespeed cog or stacking with 9-speed shifters; however, multi-gear use may result in less crisp shifting, emphasizing optimal single-speed function.
• Constructed with high-quality materials and engineered for precision, this cog ensures smooth engagement and optimal power transfer across your singlespeed or multi-gear setup.
• Perfect for urban riders and single-speed enthusiasts, the Surly 21t cog blends style and function with a sleek design and compatibility with Shimano HG 7-speed hubs, suitable for a wide range of cycling styles and terrains.