The JP 400 bottom bracket from Stronglight is a high-quality component designed for reliable performance in bicycles. It is a self-installable package equipped with a square axle compatibility system and features a BSA thread. The body of the bottom bracket is made from a sturdy steel monoblock, while the bearing cups are made of aluminum, providing an optimal combination of strength and low weight. Weighing only 0.29 kilograms, the JP 400 is lightweight and contributes to the overall performance of the bike. The screwed bearing cups allow for easy installation and maintenance, making it a practical choice for cyclists who value quality and durability. Additionally, the silver color of the bottom bracket gives it an attractive appearance that integrates well with various bike designs. Thus, the JP 400 is an excellent choice for anyone seeking a reliable and high-performing bottom bracket.