Crank Extractor : Safeguard Your Bike's Bottom Bracket Teeth Without Damage While Removing Chain-Rings And Crank Using Our Universal Bike Crank Puller. Chain Breaker : Double Driving Pin Design For Effortless Chain Removal, Suitable For Most Bicycle Chains Ranging From 5-10 Speeds. Versatile Toolkit : Designed For Quick And Reliable Maintenance Of Mountain Bikes And Road Bikes, Including Removal Of Multiple Freewheels And Tower Wheels. Toughness And Durability : Constructed From High-Quality Steel, Our Tools Are Rust Resistant And Lightweight, Ensuring A Long Service Life. Compact And Portable : Carry Your Essential Repair Kit Anywhere With Ease Thanks To Its Small Size. In the realm of bicycle maintenance, precision and reliability are paramount. Our Bike Repair Tool Kit offers a compact solution for all your repair needs. Perfectly suited for both mountain bikes and road bikes, this kit includes a Crank Extractor and a Chain Breaker. The Crank Extractor is a universal bike crank puller designed to remove chain-rings and cranks without causing any harm to the bottom bracket teeth. Meanwhile, the Chain Breaker's double driving pin ensures easy chain breaking for a variety of common bicycle chains, ranging from 5-speed to 10-speed. Crafted from high-quality steel, our tools boast toughness, durability, and rust resistance, making them lightweight and easy to operate. Their small and portable design allows for effortless carrying wherever your biking adventures take you.