Durable & Tough Build: Made from high-quality carbon steel with hardened heat treatment for superb strength, durability, and anti-rust performance. Universal Compatibility: Fits all standard freewheels and cassettes—ideal for most mountain and road bikes. Multi-Purpose Use: Designed for easy disassembly and installation of bicycle flywheels, freewheels, and bottom brackets. Compact & Portable: Lightweight, easy to carry, and perfect for both home mechanics and outdoor bike maintenance. DIY-Friendly Tool: A must-have for cyclists who enjoy self-repairs—easy to use, reliable, and built to last.