Enhance your cycling performance with this high-quality Bicycle Positive and Negative Sprocket, crafted from durable aluminum alloy for exceptional wear resistance, high strength, and deformation resistance. Designed specifically for 38T single disc setups, this sprocket offers a perfect balance of toughness and precision, making it ideal for mountain bike enthusiasts, cruisers with 32+ expansions, and competitive riders. Key Features: · Premium Aluminum Alloy Construction: Provides excellent durability and resistance to wear and deformation, ensuring long-lasting performance even under rigorous cycling conditions. · Ergonomic Round Shape: Optimized with precise punching to increase yarn traction, effectively reducing leg and knee fatigue for a smoother and more comfortable ride. · Unique Tooth Shape Design: Enlarges the chain contact area to improve grip and minimize chain sag, allowing you to confidently navigate bumpy and uneven terrains. · Narrow and Wide Tooth Profile: The alternating tooth design securely holds the chain in place, preventing chain drops, reducing frame scratches, and extending both chain and sprocket lifespan while minimizing friction and noise. · Front Derailleur-Free Design: Eliminates the need for a front derailleur, significantly reducing bike weight and mechanical complexity, while ensuring the chain remains stable and does not drop during rides. Specifications: · Material: Aluminum Alloy · Item Type: Bicycle Positive and Negative Sprocket · Outer Diameter: Approx. 160mm (6.3in) · Adjacent Aperture: Approx. 74mm (2.9in) · Diagonal Aperture: Approx. 104mm (4.1in) · Number of Teeth: 38T · Compatibility: Designed for 38T single disc setups, particularly suited for mountain bikes, cruisers with 32+ expansions, and competitive cycling applications. Package Includes: · 1 x Bicycle Positive and Negative Sprocket This sprocket’s robust construction and innovative tooth design provide enhanced chain stability and reduced maintenance, making it an essential upgrade for riders seeking reliability, efficiency, and improved cycling experience on challenging trails.