- Effortless Crank Removal: Easily remove stubborn crank arms using a wrench to loosen the screws, then securely screw in the black lower part of the tool. The crank starts moving smoothly with just a simple twist of the silver piece. - Compatibility: This crank puller is designed for square taper cranks and sprockets, making it suitable for various bicycle types, including road bikes and mountain bikes. - Durable and Reliable: Made from high-quality carbon steel, this crank puller features a robust design that ensures long-lasting performance. - Compact and Convenient: Measuring 2.6 cm x 2.4 cm and weighing approximately 120 g, this tool is compact and lightweight, making it easy to carry and store. Use Scenarios: 1. Ideal for bike maintenance at home, allowing you to quickly and efficiently remove crank arms for repairs or upgrades. 2. Perfect for professional bike mechanics looking for a reliable tool to streamline crank removal during service appointments. This crank puller combines functionality, compatibility, and durability, making it an essential tool for any cyclist or bike technician.