zumi-V Super Toughness Chain The Izumi-V Super Toughness is the epitome of strength, durability, and elegance, made from the finest Japanese steel. Known as one of the strongest and longest-lasting chains on the market, it is crafted with a special high-carbon alloy, often used in low-friction ball bearings, offering 300% more durability than standard chains. One of the few chains certified by the Japanese Keirin Association (NJS), it is highly sought after by keirin racers and track riders alike for its exceptional strength and efficient power transfer. The proprietary surface treatment applied to the pins enhances abrasion resistance and delivers a stunning aesthetic with gold outer plates contrasting against midnight-blue inner plates. The Izumi-V Super Toughness chain is available in both 1/2x1/8 (NJS approved) and 1/2x3/32 versions, making it a favorite not only for track racers but also for BMX racing. Key Features: Certified by the Japanese Keirin Association (NJS) for track racing 300% increase in durability with high-carbon alloy pins Striking gold and midnight-blue design Optimized for efficient power transfer Ideal for track and BMX racing Specifications: Available in 1/2x1/8 (NJS approved) and 1/2x3/32 Weight: 380g (1/8, 106 links) 362g (3/32, 116 links) Speed: Single speed only Experience the ultimate in performance and style with the Izumi-V Super Toughness, trusted by champions worldwide.
