SHIMANO 105 BB-5500 Bottom Bracket - Italian 70 x 109.5mm Octalink V1 Spindle in

Optimize your ride performance with the 105 BB-5500 Octalink V1 Bottom Bracket-an essential component engineered for precision, durability, and seamless power transfer. Designed for road cycling enthusiasts and competitive racers, this bottom bracket ensures smooth rotational performance and reliable durability under demanding conditions. Materials & Engineering: Constructed from corrosion-resistant steel with a polished silver finish, the 105 BB-5500 features robust materials that withstand the rigors of daily riding and harsh weather. Its precision-machined components guarantee a secure fit and long-lasting performance, making it a reliable choice for serious cyclists. Components & Technology: This bottom bracket utilizes 's Octalink V1 spline interface, providing an optimal balance between weight and stiffness. Compatible with Octalink V1 cranksets such as FC-7700, FC-7703, FC-6500, FC-6503, FC-5500, FC-5501, FC-5503, and FC-5504, it ensures smooth pedaling efficiency and power transfer. The 70mm shell width and 109.5mm spindle length are designed for precise installation and compatibility with Italian (BSA) threaded frames. Performance & Use Case: Ideal for road bikes and racing setups, the 105 BB-5500 delivers dependable performance for high-intensity riding, sprinting, and endurance cycling. Its efficient bearing system minimizes friction and enhances pedal smoothness, allowing for increased power output and a more enjoyable ride. Style & Compatibility: With its classic silver finish and sleek design, this bottom bracket complements a wide range of bike aesthetics. It's easily installed in Italian threaded (ITA) shell frames, making it a versatile upgrade or replacement for riders seeking to restore or improve their drivetrain performance. Innovative Features: The 105 BB-5500 V1 features time-tested engineering with precise spline engagement for consistent power delivery and reduced maintenance needs

• , corrosion-resistant steel construction ensures durability and long-lasting performance for everyday cycling and tough terrains.
• Advanced Octalink V1 spline technology provides a secure, precise fit with compatible cranksets like FC-7700, FC-6500, and FC-5500 series, optimizing power transfer and pedal efficiency.
• Designed for 70x109.5mm Italian (ITA) bottom bracket shells, this bottom bracket offers easy installation and compatibility with high-performance road and cyclocross bikes.
• Sleek silver finish and durable materials combine style with functional performance, making it an essential upgrade for cyclists seeking reliable component engineering.
• Features precision-engineered components that enhance smooth bearing operation and efficient load distribution, reducing maintenance needs and extending component lifespan.