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

Enhanced durability with alloy materials designed for long-lasting performance and corrosion resistance. Engineered with 's Octalink V1 spline technology for secure, precise crank engagement and efficient power transfer. Compatible with Italian threaded frames (ITA) 70x109.5mm spindle, ensuring seamless fit with select road cranksets including FC-7700, FC-6500, and FC-5500 series. Optimized for road cycling and performance riding, providing smooth rotation and reliable support during intense rides and long-distance cycling. Features a sleek silver finish that combines style with functionality, making it a perfect upgrade for competitive cyclists and serious enthusiasts seeking proven engineering.