Optimize your single-speed cycling setup with the Wheels Manufacturing SOLO-SPEED Cog - 23T, designed for performance and durability. Crafted exclusively for use with SOLO-SPLINE and SOLO-XD kits, this cog is the perfect upgrade for riders seeking lightweight reliability and superior chain retention on both mountain and road bikes. Materials & Engineering Made from high-end 7075 aluminum, the SOLO-SPEED 23T cog offers an exceptional balance of lightweight performance and extreme durability. This aerospace-grade alloy ensures long-lasting strength, making it ideal for demanding rides and tough terrains. Innovative Components & Compatibility Designed specifically for Wheels Mfg. SOLO-XD XD/XDR and SOLO-SPLINE Single Speed Conversion kits, this cog features a narrow-to-wide alternating tooth pattern, which maximizes chain engagement and reduces slippage. The 23-tooth configuration is engineered for versatility, fitting 9, 10, and 11-speed chains, including popular 12-speed Eagle, KMC, Road, and T-Type Transmission flattop chains. Performance & Use Cases Perfect for single-speed conversions, modern mountain biking, gravel adventuring, and urban commuting, this cog's optimized design ensures smooth power transfer and reliable chain retention across diverse riding conditions. Its compatibility with high-performance chains makes it suitable for riders who demand consistent performance and longevity. Stylish and Functional Design The striking red finish not only adds a touch of style to your bike but also makes the cog easily identifiable. Its precise manufacturing and innovative tooth pattern deliver a secure fit, reducing maintenance needs and enhancing overall drivetrain efficiency. Key Features: - Crafted from lightweight, durable 7075 aluminum - Designed for SOLO-XD XD/XDR and SOLO-SPLINE single speed kits - Narrow-wide alternating tooth pattern for superior chain retention - Fits 9, 10, 11, and 12-speed , KMC, and