Designed for cycling enthusiasts, including road cyclists and mountain bike riders Made from strength carbon fiber for durability and rigidity The bike expansion core set is designed to enhance your riding experience Features an innovative expansion core design that provides a secure connection for added safety Benefits at a glance Durable carbon fiber construction supports longlasting performance and reliability Innovative expansion core design delivers a secure connection, contributing to safer operation Specifically crafted for cyclists who use expansion core systems, including road and mountain bike applications Specifications and attributes Material: strength carbon fiber Function: expansion core set to enhance the riding experience Design: innovative expansion core for a secure connection Target users: cycling enthusiasts, road cyclists and mountain bike riders Use scenarios Road cycling and endurance rides: on long road trips, the secure connection helps maintain reliable performance during extended use Mountain biking on rough trails: on rugged terrain, the expansion core design supports a stable connection and added safety Bike maintenance or upgrades: suitable for installation or upgrading expansion core components during routine maintenance in a home workshop or