The INspider Bundle is a high-quality bicycle component set specifically designed for mountain biking. It includes a bottom bracket type with a diameter of 30 mm and a length of 175 mm, ensuring optimal power transfer and stability. The Q-factor of 170 mm provides a comfortable pedaling position, while the chainline of 52.5 mm allows for precise shifting. The bundle is made from durable aluminum, which not only reduces the weight to 355 grams but also enhances the longevity of the components. With a standard bolt circle type and an 11-speed rear shifting system, the INspider Bundle is versatile and offers high adaptability to various riding styles and conditions. The 4-arm mount for the crank and chainring ensures easy installation and maintenance. This product is ideal for anyone who values performance and reliability while tackling the challenges of mountain biking.