IRD Ird Qb-55 Jis 68X113, Square Taper Bottom Bracket

Upgrade your bike's performance with the Interloc Racing Design QB55 Cartridge Bottom Bracket, JIS - 68x113mm - engineered for durability, precision, and seamless compatibility. Crafted from materials and utilizing advanced engineering, this sealed cartridge bearing features steel cups that provide long-lasting performance for serious cyclists and enthusiasts alike. Materials & Build Quality: Constructed with rugged steel cups, the QB55 ensures exceptional strength and corrosion resistance, making it ideal for both road cycling and mountain biking. The sealed cartridge bearings are designed to keep dirt, water, and grit out, reducing maintenance needs and extending component lifespan. Performance & Engineering: Designed for optimal efficiency, the QB55 features high-grade sealed bearings that deliver smooth power transfer and minimal friction. Its 113mm spindle length and 68mm shell width offer a perfect balance of stiffness and responsiveness, suitable for a variety of cranksets and drivetrain setups. Components & Technology: The JIS (Japanese Industrial Standard) square taper interface ensures precise alignment and secure fitment with JIS-compatible crank arms, providing consistent performance and easy installation. The 33.6mm shell ID and 24 TPI thread specifications guarantee a universal fit for BSA (British Standard ) shells, ensuring compatibility with many bicycle frames. Style & Use Case: Whether you're building a new bike or upgrading your current setup, the QB55 is perfect for road cyclists, mountain bikers, and urban riders seeking reliable, high-performance bottom brackets. Its classic design complements a variety of bike styles while delivering modern performance benefits. Innovative Features: Made in Japan, the QB55 reflects meticulous manufacturing standards, ensuring top-tier quality and durability. Its sealed bearing design reduces the need for frequent adjustments, allowing riders to focus on their ride without worry. Key Specificatio

• Japanese manufacturing ensures exceptional durability and precision for the Interloc Racing Design QB55 Cartridge BB, delivering smooth and reliable bearing performance.
• Constructed with sealed steel shell cups, this cartridge bearing provides superior corrosion resistance and long-lasting performance in harsh riding conditions.
• Designed with a traditional JIS 2-degree square taper interface, the QB55 fits a wide range of cranksets, ensuring compatibility and ease of installation across various bicycle setups.
• Optimized for BSA shells with a 68mm width and 113mm spindle length, this bottom bracket enhances power transfer and pedaling efficiency, ideal for road, mountain, and hybrid bikes.
• Featuring advanced bearing technology, the QB55 Cartridge BB minimizes friction and maintains high performance, making it a top choice for cyclists seeking durability, precision, and style in their drivetrain.