Publicado Por En julio 22, 2026 The Shimano Ultegra SM-BBR60 Bottom Bracket is a high-quality component designed for road bikes, racing bikes, time trial/triathlon bikes, and cyclocross bikes. With a spindle type of Hollowtech II and a shell width of 70mm, this Italian-made bottom bracket is lightweight at 77g and comes in a sleek black color. The set includes one bottom bracket and is a critical part for maintaining the performance and efficiency of your bicycle. Made in Japan by the reputable brand Shimano, this bottom bracket is a reliable choice for cyclists looking to upgrade their bike's components.