Enhance your mountain biking experience with this high-performance freewheel, expertly crafted from high-tensile steel to provide exceptional strength and abrasion resistance. Designed specifically for 9-speed mountain bikes, this durable component ensures reliable shifting and long-lasting use, making it an essential upgrade for your bike’s drivetrain system. Key Features: · Premium High-Tensile Steel Construction: Offers superior strength and excellent wear resistance for enhanced durability during rigorous rides. · Anti-Rust and Antioxidation Treatment: Effectively prevents corrosion, extending the service life and maintaining optimal performance in varying weather conditions. · Lightweight Hollow Design: Engineered with a hollow structure to reduce overall weight to approximately 438 grams, contributing to improved bike efficiency without sacrificing strength. · Compatibility: Specifically designed for 9-speed mountain bike systems with a gear range of 11-40T, ensuring smooth and reliable gear transitions. · Color Options: Available in sleek Black or Black & Silver finishes to match your bike’s style. Specifications: · Material: Steel · Color: Black / Black & Silver (optional) · Gear Range: 11-40T · Weight: Approx. 438g / 1.0lb Package Includes: · 1 x Freewheel This high-tensile steel freewheel combines durability, lightweight design, and anti-corrosion features to deliver excellent performance for mountain biking enthusiasts. Upgrade your bike’s drivetrain with this reliable and efficient freewheel, designed to withstand demanding terrains while providing smooth shifting and long-lasting service.